by nashnash April 2, 2006

When you put on a hat for a long period of time, and after taking it off, your hair takes the shape of the hat. Usually occurs when your hair is particularly greasy.
-After a game of golf, Malvin takes his cap off-
Oliver: Dude, you've got hat head, when was the last time you showered?
Oliver: Dude, you've got hat head, when was the last time you showered?
by jun0! April 4, 2009

An endearing way of saying to someone of telling someone they haven't a clue. Not meant to offend, but meant jokingly.
by brat-a-tat-cat October 24, 2008

by Evan June 20, 2002

A technique where the tongue is rolled around the clit. Suck on the clit and move the rolled tongue in and out of the mouth or just headbob.
by Artivoly January 4, 2008

<noun> British offensive slang term used as a variant of "Dick head" to describe an obnoxious person or someone who has acted in a peculiar and/or ludicrous manner.
"You fucking knob-head! Why did you do that?!"
by Stuart Fletcher November 1, 2004

the point at which one feels a definitive change in his or her behavior and equilibrium from the effects of a drug (most commonly in reference to marijuana)
by Luchidizzle September 25, 2004
