Oof 

A sound effect in Roblox when you die.

*XxScrubLord420xX jumps into the lava*

XxScrubLord420xX: Oof!

Oof by GoFlushYourToilet September 1, 2017

Oof 

For when you get hurt, or a mating call.

(Roblox Death Sound)

*Runs into wall* "OOF!"

Oof by Dontgetcaughtwatchin September 14, 2017

Oof 

No specific meaning, can be used as an insult or a compliment. Also the Roblox death sound

"I'm going to oof you"
"Is that a compliment or an insult"
"Youuu decide :)"

Oof by Ooftimus prime September 25, 2017

Oof 

An onomatopoeia ish response you can say to anything regarding somebody saying or doing something crazy or un expected

Ur girl hmu last night sending me dem pics ma boi i just said OoF and continued on wit me jack off session paach

Oof by Whotfcaresdumbass September 26, 2017

Oof 

The sound that a roblox character makes when they die

Oof

Oof by Gvon October 30, 2017

Oof 

A popular ROBLOX sound

I got OOF'ed in a game of ROBLOX.

Oof by ShittyRachs November 6, 2017

oof 

used as another form of "oops" or "whoops"

oof i accidentally threw a banana in your ass

oof by xxasseaterxx April 20, 2018