Informal or slang terms for mentally irregular
English: balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky
buggyEnglish
buggy, around the bend, balmy, barmy, bats
Adjective
Infested with bugs
English: buggy
Noun
A small lightweight carriage, drawn by a single horse
English: buggy, roadster