Top definition
a verb describing an action in which you smack yourself or another person with the palm of your hand on the centre of their or your forehead. used as a resemblence of pure annoyance. fun, easy and can be demonstrated on friends or enemies. invented during 2006 summer week away!
"he was really pissing me off so i spammed him really hard"
by lilchicklet August 26, 2006
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