wacko

Also whack·o

[wak-oh]

noun

plural

wackos 

1. Also an eccentric, strange, or odd person.

adjective

1. wacky.

wacko

/ ˈwækəʊ /

adjective

1. mad or eccentric

noun

1. a mad or eccentric person

Word History and Origins

Origin of wacko¹

First recorded in 1970–75, wacky, -o

Word History and Origins

Origin of wacko¹

C20: back formation from _wacky

Example Sentences

In April, he was expelled from the House of Commons for calling the prime minister a "wacko".

From BBC

But the most wacko commentary came from former San Bernardino County sheriff’s Deputy Meagan McCarthy.

From Los Angeles Times

Ultimately he could not outrun the wackos in his own party?

From Salon

Impeached twice and a convicted felon who faces more trials, Trump has said that he, and by extension his loyalists, have been persecuted by a “wacko” and unfair state.

From Los Angeles Times

It is not lost on O’Donnell, 62, that Cohen, 57, once helped carry out Trump’s campaign of insults against her, tormenting her for her looks and her weight and calling her “wacko.”

From Seattle Times

Related Words

• dingbat 
• flake 
• kook