Wacko

Alternative forms

 * whacko

Etymology
wack(y) + -o

Adjective

 * 1) amusingly eccentric or irrational

Noun

 * 1) An amusingly eccentric or irrational person.

Interjection

 * 1)  hurrah
 * 2) *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.

Noun

 * 1) rock, boulder

Alternative forms

 * waggo

Related terms

 * wegan

wacko wacko wacko wacko wacko