English Dictionary

Definition of “wacko

wacko (ˈwækəʊPronunciation for wackoinformal 

Definitions

adjective

  1. mad or eccentric

noun

Word forms: plural, wackos
  1. a mad or eccentric person

Word Origin

C20: back formation from wacky

Usage examples

  • "As I said, it's going to sound wacko , but I guess we're both used to that by now, yes?
    Clive Barker, COLDHEART CANYON (2001)
  • But so do many Muslim women and metropolitan cyclists, neither of whom are generally regarded as wacko.
    Spiked (2003)
  • Marty interviewed wacko Jacko for an ITV1 documentary in which the fading pop star admitted letting boys sleep in his bed.
    Edmonton Sun (2003)
  • WHAT a wacko claim from SNP crown contender Mike Russell that he could lead them from outside Parliament.
    Sun, News of the World (2004)
  • We went into it innocently: we just thought, ``Fucking hell, that's wacko.
    John Harris, THE LAST PARTY: Britpop, Blair and the demise of English rock (2003)

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