The act of kneeing a victim in the back of the leg, causing them to go weak and crumble in a heapon the floor. Usually shouted as a warning before the act takes place.
Phoofy can be whatever you want it to be. Phoofy may be used as a noun, verb and or adjective. Phoofy may also be used in the plural form as "Phoofies".
"This party is phoofy as hell"
"Yo pass me that phoofy"
"Shotty next hit of that phoofy"
"Wow your phoofies look mad nice in that phoofy ass shirt"
"I'll take a phoofy on that kids chest"