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Definition 2024


wacko

wacko

English

Alternative forms

Adjective

wacko (comparative more wacko, superlative most wacko)

  1. (informal) Amusingly eccentric or irrational.

Noun

wacko (plural wackos or wackoes)

  1. (informal) An amusingly eccentric or irrational person.

Interjection

wacko

  1. (Britain, dated) hurrah!
    • 1952, Anthony Buckeridge, Jennings and Darbishire
      "Wacko! There's a whole pile of letters for me," Jennings cried excitedly, hopping from one foot to the other.

Old High German

Noun

wacko ?

  1. rock, boulder

Alternative forms

  • waggo

Related terms