1 definition by skaterz of keller

when a person says something stupid, annoying, or unneccesary; another person may get the palm of their hand and hit the person who said the stupid,annoying, or unneccesary comment on the head, but they say "kabooski" or "thats a kabooski" first.
"George Bush is our president?"
"KABOOSKI!!!!"
"SMACKKK!"
by skaterz of keller July 14, 2008
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