1. (v) The act of removing the contents of someone's
backpack, turning it inside out, and re-inserting the contents into the inside out bag, usually during class.
2. (n) The victorious exclamation often proclaimed after a successful Punk Nasty.
3. (var)
Funk (or
Dunk/Chunk) Nasty: A variation on the Punk Nasty in which the assailant uses the Punk Nastied backpack as a fecal receptacle (ie takes a shit inside it).