Oof 

The backwards spelling of Foo.

Marisa: my best friend gio is an oof.
Gio: well, my best friend marisa is an oof.

Oof by FunnayBunnay. September 3, 2009

OoF 

Out of Focus

Your new display photo is oof.

OoF by atotsinyou April 15, 2017

Oof 

the last words of anyone who has ever played roblox

*getting shot at

*gets hit
*struggling to breathe
"Oof"
*dies

Oof by YaBoyChilled October 5, 2017

Oof 

When someone uses ‘oof’ they are expressing a feeling of unknown, uncertainty, embarrassment or the feeling of damn.

Nancy: I got an A on my test

Rod: oof, I got a D on mine

Oof by SWAGTALL#selfie November 21, 2017

oof 

An exclamation of pain or sexual pleasure now turned into a shitty meme used by teens and young adults when they aren't sure on how to contribute to an active conversation. Can often be seen used in combination with hmmm or :thinking: by people who have a hard time developing their own personality.

vegeta765: just stayed up til 4am last night binging hard on that sweet-ass new Cuphead game

EpicOtaku21: oof

oof by AttackWidowBad November 26, 2017

Oof 

expressing an amazement, or impressment to an action.wow, woah.

‘‘Hey man, look at my new Christmas socks.”
“Aw shit, oof”

Oof by oof2003 December 2, 2017

Oof 

When you have sex

Oof fuck me daddy

Oof by Cupcake_10495 December 18, 2017