■ noun
1》 a large tailless primate of a group including the gorilla, chimpanzees, orang-utan, and gibbons. [Families Pongidae and Hylobatidae.]
2》 informal an unintelligent or clumsy person.
3》 archaic an inferior imitator.
■ verb imitate, especially in an absurd or unthinking way.
Phrases
go ~ (or N. Amer. vulgar slang ~shit ) informal become very angry or excited.
Origin
OE apa , of Gmc origin.