look up any word, like the eiffel tower:
 
3.
Oof
The sound of which you make when your air is suddenly knocked out of you.
I oofed when she pushed me out of my chair.
by AmberRae June 30, 2005
 
1.
oof
used in hawaii to mean "fuck", "sex", "intercourse"...you get it
last night me and tina went oof. (yeah. it sounds ghetto. but, that's how it's used.)
by Farren November 30, 2004
 
2.
oof
A form of expression used similar to damn, expressing a good feeling but frustration as well.
"oof...that chick is hot"
by Dee February 20, 2005
 
4.
oof
a word and expression used in reply to someone who has possibly embarrassed themselves.

used in context, it displays your embarrassment for said person in a tongue-in-cheek manner.
facebook status update: oh hai everyone check out the pic i uploaded with my sweet tweety-bird tattoo!

random reply: oof.
by some1 who knows what oof means February 22, 2010
 
5.
oof
an exclamation to be used in place of a curse word. A word to say when you can't think of anything else.
oof I forgot to do my homework
by mckilla January 18, 2005
 
6.
oof
Out Of OFFice or Out Of Facility. Used in companies to indicate that an employee will not be in the office at a particular time/day. Commonly used at Microsoft, but also used in other businesses and industries.
"James is OOF on Friday, so let's set the meeting for Thursday afternoon."
by 314159 March 20, 2007
 
7.
Over Obsessive Fan

Person 1: Did you see the way Tori was at that concert last night?

Person2: Yea. I didn't know she was a O.O.F
by random anonymous person February 11, 2009