Big Oof 

Often expressing disappointment, but can also be used to express excitement over a current situation.

Sam: My mom is pregnant again
Bob: Sorry man I should have used protection
Drew: Big Oof

Big Oof by SamsMom69 October 15, 2019

Big Oof 

A guy named Nick.

Nicholas is the legitimate definition of the term 'big oof'.

Big Oof by imadethistotakethepiss November 27, 2018

Big Oof 

When U don't have anything else to say but that one sound u keep on hearing when u die on ur christian ROBLOX server.

*Guy farts*
*Another Guy*: BIG OOF!

Big Oof by Dictionary.com/;MC-REN-213-C^ January 8, 2019

big oof 

An old as pedophile who plays roblox and is trying to snatch kids into their white van

Damn bro did you here that Mikey was Big Ooftoday by the guy 3 houses down

big oof by effusive May 30, 2018

BIG OOF 

what you say when u hav big oof

person 1:Oh man that is succ!
person 2:BIG OOF!

BIG OOF by OoFiE gOoBeR November 14, 2018

Big Oof 

When someone roasted you I a group chat but you don’t know what to say so you say big oof

Person roasting you: your a banana split Sarah

You(Sarah): Big Oof

Big Oof by I think moto moto likes You ;) March 19, 2019

big oof 

When something is vastly and obviously failed, mistaken, or bad. You would use this word if usually if someone just majorly fails.

Me: Dude you just died to the the biggest bot in the whole world!

Friend: Stares at the screen in disbelief and ready to throw a temper.
Me: That’s a big oof right there!

big oof by BlackPepeSucky June 21, 2019