English · Slang Attested

oof

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Used to express discomfort, surprise, dismay, or sympathy for someone else's pain. It is also the sound of a Roblox avatar when it dies or respawns. Thus the verb "to oof" can mean killing another player in a game or messing up something oneself.

Where it’s used: Used American English • Gen Z / internet register

Sources & notes

Adapted from Wikipedia “Glossary of 2020s slang” (CC BY-SA 4.0, retrieved 2026-07-30). US Gen Z / internet usage.

Topics: Gen Z slang

Common questions

What does “oof” mean?

Is “oof” formal or informal?

oof is generally informal.

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