GO APE (OR N. AMER. VULGAR SLANG APESHIT)
Meaning of GO APE (OR N. AMER. VULGAR SLANG APESHIT) in English
go ape (or N. Amer. vulgar slang apeshit)
informal
become very angry or excited.
→ ape
Concise Oxford English vocab.
Сжатый оксфордский словарь английского языка.
2004