What's your best practical joke story?

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List your best practical joke stories here!

Mine is a joke I played on a co-worker a while ago. We had an ongoing war where if one of us caught the other away from their desk and their screen unlocked, we'd send an email from the others account to the bulletin board. Examples: Looking for the Pricess Di beanie baby to complete my near perfect collection or Where can I find a vet for my cats Mushie Poo and Lump Lump?

I decided to up the ante and wrote a program that would emulate his internet login, thus sending his password to my machine in a text file. I logged in as him from my machine, pulled up his email account, then walked out. Sure enough, he ran to my computer and hastily fired of an email. As I passed his desk on the way back to my own, I noticed him snickering, thinking to himself that he got me good. A few minutes later, I hear him yell "You SUCK!", as he noticed that the post Men's underwear for sale, all sizes! was sent from his own account.

I love it when a plan comes together!

 

Myself and a group of friends decided to play a joke on anyone foolish enough to fall into it. We were on Queen Street in Auckland (the central street in Auckland, probably has the most foot traffic of any street in New Zealand) we all grouped together looked up and pointed at nothing in particular and kept speaking to ourselves about it, things such as "I can't quite see- Oh! There it is! Man that's cool!" "How long has that been there?" "I wish I had a camera." "Oh my God! It moved!".

People started crowding around us and trying to see what we were looking at. One by one we slipped away and noticed that people were still drawing to the crowd. I even heard people saying "Oh there it is!" who weren't in on the joke.

We managed to convince people that nothing was worth looking at.

 

kinda mean, but some friends and i fired a small firecracker at a sleeping security guard and it blew up really near him. he was so shocked that he thought that someone was trying to rob the place we kept out of sight of course. Wouldn't do to get shot at

as for me, i tied some paper money to a thin string and left it outside the door, when somebody would try and pick it up i'd pull it under the door and the person would try and follow it it backfired when my teacher followed it though

 

A favorite prank of mine in college was to slip a walkie-talkie in to someone's backpack, follow them to class, then start making obscene noises using the other walkie-talkie.
Of course, it was also embarrasing to be caught huddled outside of the classroom door making said noises. Sometimes that's just the price you pay for the smiting of one's enemies!

 

A buddy of mine was at a party at someones house. She kept the cat litter box in the bathroom. He went in the bathroom, took a dump in the cat litter box, then came out and said "I'd hate to see that cat!".
Since he pointed it out, everyone thought someone else did it. The woman who owned the place was pissed.

 

Well, it involved me and a few folks knocking over an occupied portaloo at a music festival. You can picture the rest

 

My memory is often patchy but I do remember this. When I was in First grade we had the vice-principal who was a uber-biatch and we all hated her for being a cow. The principal was far worse however, being a senile old fart who took it upon himself to go doddering around the school to congratulate himself and occasionally the students on his successes as principal.

Back then I used to hang around the Yr 11's eating area they didn't mind so meh. Anyway the area sorta looked like this. (top view)

]]]]]]]]]]]]]]]]]]]---------------________
Verandah]]]]]]]]-------------__/{{{{{}}}}}\__
]]Walkway]]]]]]-------------/{{{{{{{}}}}}}}}}\
[[[[[[[[[[]]]]]]]]------------{{{{{{{{{}}}}}}}}}}
#######[[[[]]]-----------{{{Massive tree and}}}
##Gar###[[[]]]]=----------{{{eating area}}}}}}}
##den###[[[[]]]Steps-------{{{underneath}}}}}
#######[[[]]]]=------------\__{{{{{}}}}}__/
_____________]-----------------\________/
|||||||||||||||
|||Building|||||
|||||||||||||||
|____________|
11's area++(())-smaller
+++++++++(())-tree

Now that you are all familiar with the area, it went like this, as a science experiment we had eggs and we were supposed to make them rot faster for some apparent reason and you were supposed to throw them out afterwards, I didn't and had kept them frozen so...

• One Jumbo water balloon
• Three rotten eggs, crushed
• Half a bottle of chilli oil
• 1 cup cornflour
• Metal shavings, to make sure it burst
• Some Gak(TM), that slimy stuff you get in novelty stores chopped finely
• Glitter (shiny!)

Put everything in the water balloon and fasten *securely*. Mwahahaa!

When lunch was almost over I asked one of the Yr11 boys to give me a boost, he asked why and he cracked up when I told him to wait around the stairs near the tree. He gave me the boost and I climbed up the rest of the smaller tree onto the building's roof and then jumped on top of the verandah above the stairs, as I was waiting for my prey I was unfortunate enough to see a couple of Yr12's making out but anyway, as he walked under me I dropped it on his head and dived into the garden to watch. (unfortunately landing badly and scratched my arms and legs but it was worth it!) Instant mayhem insued, the principal squealed like a speared pig trying to wipe it off as the entire place stood silent then cracked up, I almost died laughing as the boy who gave me a boost hauled me out of my hiding place and told me to go wash off the dirt completely unnoticed by the others thank god!

 

Abouit 10 years ago, at Halloween I borrowes a "Jason" mask. I put it on, tiptoed behind the guy across the hall as he left the can. At my size, I don't sneak well. About his doorway, he turned around to tell me to **** off, when my buddy in a WWI style Gas mask and a pair of boxer shorts then jumped out from behind his door...

 

I used to peel of these tiny alarm labels that could be found in wallets, sold in a big megastore. I put them in loose-hanging hoods or pockets and bags. Then I sat down outside the store, having a drink, to watch my victems come out and enjoyed the small show of people being checked on stolen wares.
One day I put in in a man big shopping-bag, sat down and waited. The man came outside and was checked. He appeared to have stolen quite some stuff and had peeled of the alarm-labels so he would NOT have the alarm ringing when he would go outside. Bad luck vs. good fun

 

My religion teacher constantly brags about how he pulls practical jokes on this poor old teacher. So what me and two friends did was completely covered his desk thick with seran-rap and tape. It was so random and odd, he walked in and was quite pissed off. We had a good hoot. Not as good as the others here but its one of those things that you had to be there to fin it funny.

 

Well, there was that LAN and a dozen of people in it. At some point, a couple of guys started playing nasty jokes, such as planting spyware (Netbus in this case, not sure if only it) and using it even to delete gigabytes of data from someone's hard drive.

So I grabbed that shareware basic compiler for DOS and wrote a program which deleted win.ini, system.ini, system.dat and something fourth, don't remember what it was. The thing is, this created lots of errors and it looked like dead Windows to newbies, but with some basic skill one would still boot it, let alone install it over the current installation to preserve the data. In the meantime, while the job was being done, the program displayed unzip communicates, like PKUNZIP 6.2 (the last one was in fact 2.6 or something close, so I must have got this one confused with WinZip, hehe) unzipping files with names along the lines of "wet02.jpg", "wild06.jpg" and so on. I even made different percentile steps to emulate varying file sizes. In the end, there was a CRC error IIRC, and the files were nowhere to be found. To make matters worse, you already know what would happen on resetting.

The output file was 28 KB big, so I grabbed a 11 meg big MP3 and did /copy -b on it. Then, I placed it on my friend's HDD as a shared, password-protected directory and set the password to something four letter long and starting with d. In fact, it translates as "asses", which surely had an effect on the climax.

Foreseeably, it didn't take them long to apply password cracker on it and wait an hour or so for their free porn.

Guess what happened next, hehe....

 

I'm now showing my computer illeteracy by failing to understand the complexities of chev's story :/

On a side note, I forgot to add that we egged some jackass from school's Porsche Egging is actually great fun Haven't done it in a looooong time though

 

Well, in high school (technical) we were doing various stuff in debug (assembler) and tpascal.

As one of the assignments, we were to write a PID (Proportional-Integrative-Derivatie) regulator program. I wrote one that had programmable everything - k, integrations, d, delaym, etc.), including when active, supported input and output through LPT and COM ports, as well as console -- input via keyboard, output on a monitor -- drew graphs, printed, dumped history to a file, and was able to do all that in resolution up to 1280x1024 thanks to VESA support. It worked like a charm under clear DOS and Windows 95/98, but it was unable to initialise VESA under Windows 2000 on which a presentation was to take place. I've had to quickly recode for it to work under 640x480 (on which it wasn't as impressive), and got a 'B,' even though a friend of mine got an 'A' for a straight PID regulator program which took only basic interruptions through keyboard, but modifications to working values had to be done in the program itself. All because of the stupid OS, and the fact that the teacher was so infatuated with 2000 that he gave me a lower mark only because I dissed it.

It was time for a revenge.

What I basically made was a program to prove that Windows 2000 is completely reliant on DOS, but its writers wanted to cover that fact. It consisted of just one piece of code:
INT 20
Which translates to two bytes, and saved it as halt.com, and placed the instruction in autoexec.bat.
In fact, Windows 2000 was completely unable to see that it wasn't booting, and it required taking out the harddrive (on a brand new Compaq, which resulted in breach of warranty one way or the other -- the admin did not take precautions to prevent that from happening and had to open the computer to service it) to remove the program on another PC.

The teacher was furious, and threatened me with a final 'F' for the entire course, but it was worth it.

 

Hmmm....I've done a lot.

From little things at school, like charging capacitors and leaving them around the electronics lab, that way the stupid/nosy new students would get a nice shock when they decided to touch it.

I created a shortcut to "Shut Down" on my Internet teacher's computer, then I re-named it and changed the icon to look exactly like IE, so when ever she would double click the IE icon her computer would turn off. I knew a lot of the MS Networking students (who were the first ones sent to try and fix the problem) so they all had a good laugh when they came down to "fix" her computer.

Then there was the air-horn incident at my Senior Dinner Dance. I think I've posted here about that one before, so I won't bother with the details.

At work, I've changed the name of the daily food and sales log, so when the manager went to print it up, the computer couldn't find it, and caused all 3 managers there to fear for their jobs.

I've also slipped some chili seasoning in to my boss's coffee. It's basically Tabasco Sauce, without the red.

And most recently, I've disconnected the battery of the fork-lift that takes the lift operator up with the forks. He was helping us disassemble the top sections of the 35 foot racks that wee needed to take down, so his lift was fully raised. The lift has a manual hydraulic release leaver (to lower the lift if the power ever fails), but I wasn't about to pull it for him once everyone left for break. So I left him up there for a good 15 minutes...and if you know the type of fork-lift I'm talking about, you'll know those suckers get kind of shaky once they rise above 20 feet or so. That'll teach him for constantly unplugging my power tools when I'm using them.

 

Wow, Kitrax is truly evil.

 

Yeah...

Going back to the capacitors, I once got a real moron to stick his tounge on a charged capacitor. It shocked him so bad that it left a small burn mark on the tip of his tounge, and left him with the lowest ego ever! That was pretty funny.

 

How's this for evil...

In the house I lived in at college, if you flushed the toilet while someone was taking a shower, the water would temporarily become scalding hot. My roommates and I would wait for someone who didn't know about this phenomenon to take a shower, then bust in to the bathroom with a video camera.

The person would peek out from behind the shower curtain to yell at us, and then watch curiously as one of us flushed the toilet. With the camera rolling, we watched as screams of outrage became screams of pain. Modesty always kept the unlucky saps from just jumping out, and the looks on their faces as they peeked out from the safe side of the shower were priceless!

You'd think we'd eventually get our asses kicked, but all we had to do to appease the 'steamed' victim was to promise to let them in on the next one. If it weren't for the constant stream of curses coming from those being cooked alive, these movies would have probably made us some money on America's Funniest Videos.

 

Don't they have a guy in the studio who gets paid to push a button to beep out words like that?

 

Probably, but we figured it would just be one big long bleep. There were some fantastic words being put together, some of them could swear a tapestry of words to rival a one-armed sailer with Tourette Syndrome!

Anyway, being mostly drunk and lazy back then, we ended up losing the tape. I think one of our girlfriends taped over it with something like Melrose Place or some other trash tv. Hmmm...perhaps that was the girls playing a trick on us...HEY, That wasn't funny!!!