Dictionary

1wacko

adjective \ˈwa-(ˌ)kō\

Definition of WACKO

:  wacky

Variants of WACKO

wacko also whacko \ˈwa-(ˌ)kō\
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Examples of WACKO

  1. <the governor's staff spread rumors that his opponent's wife was wacko, as she had once undergone shock therapy for depression>

Origin of WACKO

by alteration
First Known Use: 1975

2wacko

noun

: a person who is crazy or very strange and unusual

Full Definition of WACKO

:  a person who is wacky; also :  psycho

Variants of WACKO

wacko also whacko

Examples of WACKO

  1. She's nice but her sister's a real wacko.
  2. <some wacko has been sending the actress increasingly disturbing letters>

First Known Use of WACKO

1976

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