1. a fart from a male's urethra, similar to a qweef
-often used as a negative term for a retard or dumbass
1. Guy 1 "Dude, i just pweefed in class and it sounded like high pitch air being let out of a balloon."
Guy 2 "Haha that's fucking awesome dude!"
2. "Matt you fucking pweef, you just dropped the bong!"