Oomf

The sound a roblox character makes when he dies

*Falls out of map* OOMF

by TensiveGinger March 12, 2017

OOMF

Means "one of my friends" that she told you not to worry about but fucks them anyway

Beth: *writing message*
Andy: BABE WHAT THE FUCK DOES OOMF MEAN
Beth: calm down just One of my friends don't worry about him
Andy: *goes to her house*
Beth: bae whatcha doin here?
Andy: Who's that?
Beth: OOMF
Andy: WHY IS U NAKED HOE

by Stepmom@Stepdads house tonight May 22, 2021

ooftonium

A radioactive element that radiates off of some Robloxians.

Noobs and Guests, for example, radiate large amounts of weapons-grade ooftonium.

by CrazyUrbDicDawg January 11, 2022

oomf

twitter slang meaning, “one of my followers” often used negatively to talk about people behind their backs.

oomf is so annoying, might have to mute.

by michael climate November 30, 2019

ooftah

word used to express the realization or understanding of a negative situation

upon seeing the pile of wood that had to be stacked, John said, "ooftah"

John: just found out my girl's pregnant

Steve: ooftah...

by ryedog December 26, 2005

Oomf

The noise one would make while hip thrusting during sex

"Oomf oomf."

by xxxxThe_GoaTxxxx February 3, 2010

oomfie

The definition of a stupid mf

So true oomfie

by Swutch January 18, 2022