look up any word, like sex:
 
1.
One of my friends
or, as on Twitter: one of my followers
oomf sent me a lovely birthday card.
by werdie49 March 07, 2011
 
2.
one obnoxious mother f*****
girl: OMFG SHUT UP you are oomf
by Who Are Me March 25, 2012
 
3.
is used on TWITTER meaning "one of my followers"
i loved oomf twitcon!
by twitlover March 10, 2011
 
4.
The noise one would make while hip thrusting during sex
"Oomf oomf."
by xxxxThe_GoaTxxxx February 02, 2010