Bonkers (adjective) — سلوك غريب خارج المألوف أو شديد الحماس: Crazy; insane; mad; wild; eccentric; irrational; completely mad Below are 4 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
crazymad
Crazy or silly (informal; can be offensive).
Mad or extremely frustrated (British informal).