Daft As A Brush — synonyms, definition

1. daft as a brush (Adjective) Brit

around the bend balmy barmy bats batty bonkers buggy cracked crackers cuckoo daffy daft dippy dotty fruity haywire kookie kooky loco loony • • •

daft as a brush (Adjective) — Informal or slang term meaning insane, strange, eccentric or stupid.