Top Definition
A great prank to play on your friends while theyre sleeping... Simply slap them as hard as u possibly can with the tip of your penis which will create a red crest on theyre cheek in the form of a firemans hat
Dude that was the best firemans hat ive ever give, it will show for days!
by George D. April 12, 2007
6 Words related to firemans hat

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