A penis. It shoots pee, therefore it is a pee gun.
Ouch! You kicked me right in the pee gun!
by PlaneGuy May 21, 2015
Can you define these popular missing words?
The act of shotgunning a beer whilst urinating - oft completed outdoors. Can be completed as a double or triple when two or three beers, respectively are shotgunned during a single stream of urine.
Hey Charles, ya bitch, I've gotta take a piss let's go do a pee gun - try to avoid the public urination charge this time - dick.
by CharlesIsMyBitch September 06, 2010