1. chimp out - Noun
2. chimp out - Verb
chimp out (third-person singular simple present chimps out, present participle chimping out, simple past and past participle chimped out)
(derogatory, offensive, slang, of black people) To behave aggressively or violently.
chimp out (plural chimp outs)
(derogatory, offensive, slang, of black people) Alternative form of chimpout