Fack Oof 

The scottish pronuciation of 'Will you please kindly leave'

Tourist: Hello, do you mind telling me where I am?

Scottish man: Noo, ya can Fack oof!

Fack Oof by Grbel08 April 21, 2010

Big Oof Nibba

A particularly strong or annoying enemy in a singleplayer video game, typically a boss or other non-recurring entity.

Guy playing video games: "God, this boss has killed me like ten times now!!"

Guy's friend: "That's a Big Oof Nibba right there. Sorry, man"

Big Oof Nibba by captconan June 4, 2018

Jerk OOF 

when u are jerking off to some good shit with earbuds in at full volume and ur mom walks in on u naked holding ur dick while u two look at each other dead eye.

Hey son are u do--
*drops the basket off clothing*

son*Jerk OOF*

Jerk OOF by NiggerTrapper October 17, 2018

ow oof 

the sound you make when you drink bone hurting juice

-drinks bone hurting juice-

“ow oof my bones owww”

ow oof by ppdestroyer49 March 13, 2019

uh oof 

it's just the two words: uh and oof, see those for the true definition.
psa: I only wrote this, because when I searched it, nobody has defined it,ONE SMALL STEP FOR MAN, ONE GiAnT LEEP 4 URBAN DiCtIoNaRy!!!!!!

uh, oof; the simplest way to express unpleasantness, and the perfect way to end conversations off smoothly
Example (Won't give any names here)
Did you see that? That's not cool.
UH oof.

uh oof by KirbyDictionary April 22, 2019

Roblox oof spider 

The spider that haunts your dreams by singing despacito

Bro I have despacito stuck in my head the Roblox oof spider must’ve got to me

Roblox oof spider by Barney Andfriends November 1, 2019

colossal oof 

When something has surpassed being even a major oof.

An oof so big we never thought it would happen.

Holy forking shirtballs, that oof was so big it's a colossal oof.

colossal oof by Robot ninja party November 23, 2019