What does OOF mean?

A response to defeat or frustration. From the online game Roblox, which has a character death sound effect of a child-like voice saying the word.
OOF

Other definitions of OOF:

  • A sigh of frustration. Same meaning as the Yiddish "oy vey" or also similar to "Oh my God!"
  • Out Of Office
  • A space-filler word that often holds little meaning. Can indicate frustration, fatigue, or resignation.

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How to use the term OOF:

  • I'm about to fall of this cliff... OOF!

  • Oof. I got to admit, this new song is legit.

  • I'm going to be OOF today, so send it to me on my cell.

More slang terms:

PIP

PIP

Peeing in pants

LGMAS

LGMAS

Lord Give Me A Sign

SHMILY

SHMILY

see how much i love you