barmy

adjectives

marked by spirited enjoyment
barmy, yeasty, zestful, zesty
informal or slang terms for mentally irregular
"it used to drive my husband balmy"
around the bend, balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky, whacky