wacko

/หˆwรฆkษ™สŠ/

IPA: /W AE1 K OW0/

noun
  1. 1

    An amusingly eccentric or irrational person.

adjective
  1. 1

    Amusingly eccentric or irrational.

interjection
  1. 1

    Hurrah!

Source: https://en.wiktionary.org/wiki/wacko