These guys decided to pull a classic prank on some police officers by holding a water bottle in a clever way.  Poke a small hole in the top of a water bottle, and apply enough pressure while holding by your legs and it looks like you are doing a little bit more than holding said water bottle.  These guys pull off the prank pretty well, and the cops get a good laugh in the end, well some of them. 

[RomanAtwood]