crackers
adjective [ after verb ] UK informal uk/ˈkræk.əz/ us/ˈkræk.ɚz/ (also cracked)
愚蠢的;疯狂的;精神不太正常的
silly, stupid, or slightly mentally ill
Synonyms: barmy batty bonkers daft dotty kooky loco loony loopy nuts nutty (PERSON) wacky whacky