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How to sign: informal or slang terms for mentally irregular
"it used to drive my husband balmy";
Similiar / Same: around the bend, round the bend, nuts, loopy, loony, loco, kookie, kooky, haywire, dotty, crackers, buggy, bonkers, batty, bats, balmy, whacky, wacky, nutty, fruity, barmy, cracked
