wacky

[wak-ee] /ˈwæk i/

adjective, wackier, wackiest. Slang.

odd or irrational; crazy:

They had some wacky plan for selling more books.

Also, whacky.

Origin

1935-40; apparently whack (noun, as in out of whack) + -y¹

Related forms

wackily, adverb

wackiness, noun

Examples from the web for wacky

It was a wonderful, wacky, crazy-quilt dream as long as as it lasted.
Because of this media failure, wacky alternative theories about the cause of climate change are on the increase.
That's where you learn all those wacky ideas about evolution.
No conspiracy theories, no wacky illogical prejudices, nothing.
The theories range from highly speculative to completely wacky, and none of the them have had much success.
In some cases, it can even stand up to bizarre translations and wacky adaptations.
They are wacky and inspiring in their wild combinations with neon makeup howling into the microphone.
Sinbad offers some unusual advice on how to make friends in this wacky comedy.
Jennings has written a bunch of other kids' books, many of which are about animals, and he has a pretty wacky sense of humor.
It's wacky stuff, but no weirder than a lot of other science.

British Dictionary definitions for wacky

wacky

/ˈwækɪ/

adjective wackier, wackiest

(slang) eccentric, erratic, or unpredictable

Derived Forms

wackily, adverb
wackiness, noun

Word Origin

C19 (in dialect sense: a fool, an eccentric): from whack (hence, a whacky, a person who behaves as if he had been whacked on the head)

Word Origin and History for wacky

adj.

"crazy, eccentric," 1935, variant of whacky (n.) "fool," late 1800s British slang, probably ultimately from whack "a blow, stroke," from the notion of being whacked on the head one too many times.

Slang definitions & phrases for wacky

wacky

adjective

(also wacked-out or wacko or whacked or whacked-out) Crazy; eccentric; nutty: You think I'm going wacky?/ annually collects whacky accidents/ the most wacked-out cop game anybody had ever seen any cops play/ the wacked-out hustler who talks Winkler into running a call-girl service out of the morgue/ She tried to convert me to her religion! She was whacked

[1935+; fr British dialect whacky, ''fool,'' attested fr the early 1900s; whacky, ''a person who fools around,'' is attested in British tailors' talk fr the late 1800s; perhaps fr being whacked over the head too often; perhaps influenced by whack off ''masturbate,'' and semantically akin to jerk]