look up any word, like lemonparty:
 
1.
The sound of humping.
OMG, that chick is so hot! Unf! Unf!
by Mary Anarchy February 25, 2004
 
2.
The best quake 3 cheater and MPC moderator ever.
Meh, I wish I could be like teh unfunf godaawd wr0ck>!
by uproductions:D October 11, 2004