adjective

wacky

wacky, zany, eccentric

He has a wacky sense of humor.

He has a wacky sense of humour.

She wore a wacky hat to the party.

She wore a wacky hat to the party.

a wacky ((noun)) funny or amusing in a slightly crazy way He has a wacky sense of humor.

((to be)) wacky to be eccentric or silly His ideas are always a little wacky.

Synonyms: zany, eccentric, silly; Antonyms: serious, normal, conventional

Likely from the dialectal term 'whacky' (a fool), related to 'whack' (to strike sharply).

Imagine someone getting 'whacked' on the head and acting silly. They're acting 'wacky'.

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