Barmy
informal or slang terms for mentally irregular
Synonyms
around the bend, Balmy, bats, batty, bonkers, buggy, cracked, crackers, Daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky, whacky, yeasty, zestful, zesty