Prank Jokes

I have a colleague who continues to play tricks on me ... joke
tell the boss that I was "Knocked Up" ... Just for Laughs
put plastic wrap in my cup of coffee ... Registration of documents relevant to the ground or on the wall just beyond my reach .... super glue my pen to the top office ...
Now Im not innocent in this ... Ive Pranked him too many times ... but I've run out of cool ideas ..
Please send me your best joke joke ... nothing that he will be injured or fire ... something that would be frustrating and fun to watch

put small puddles of water on his desk in the same place he does not try. He will continue to call people to the building maintenance check it out. With any luck they will move his office, stand on it, etc.

Crush a pencil and put it on the ear piece of his phone.

aź

disassembling the phone, put the crushed garlic and onions near the mouth and the band itself there.Re assemble the phone and let his magic act.