Top definition
The word you say whenever you see a Smart Car and follow up with a palm push/hit to a person's body, preferably on the head. It's similar to the idea of a "punch buggy" or "slug bug", but in a newer version.
Person 1: (sees Smart Car passing by) Smart smack!

(palm push to Person 2's forehead)

Person 2: Ah, you got me there! Ouch...
by Faithr April 26, 2010
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