[ˈwakəʊ], (Adjective)

Definitions:
- very foolish, irrational, or eccentric
(e.g: his wacko conspiracy theories)


Phrases:

Origin:
1970s: from wacky + -o

[ˈwakəʊ], (Noun)

Definitions:
- a person who is very foolish, irrational, or eccentric
(e.g: a trailer park peopled by exotic wackos and misfits)


Phrases:

Origin:
1970s: from wacky + -o