lulz to a boss or coworker?

So i work as a forklift driver for Ocean Spray and one day my boss was pissing me off,so i went and picked up his car with my lift and set it on the put it in the pond,he got pissed and couldnt find out who it was while i was lulzing inside all week,next week i did the same.
Tell me what have u done to a boss or coworker u disliked?

one time i took a little wee in a mates coffee at work who im not that fond of!!!

>>2
might you be from China?  The Chinese are known to pull such a prank.