Question 1

What does "chimp out" mean?

Accepted Answer

OFFENSIVE SLUR — Do not use. Purports to mean: to lose emotional control and behave erratically or aggressively. The term is racist and unacceptable.

Question 2

Is "chimp out" formal or informal?

Accepted Answer

"chimp out" is register-neutral — appropriate in both casual and formal contexts. IMPORTANT: This term is a racist slur rooted in the dehumanization of Black people by comparing them to primates. It is not acceptable in any context. ESL learners should be aware it exists so they can recognize and avoid it. Use 'freak out,' 'flip out,' or 'lose it' instead.

chimp out

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