When you cut off all your hair, for no apparent reason except for attention or out of anger. Usually following the person whom is now hairless is EXTREMELY
Guy: Yo, whatsup with the hat
Dude: nothin
Guy: Take it off!
Dude: hug my nuts
Guy: *pulls off the hat*
Guy: wtf happened to your hair?!?!
Dude:erm.. I pulled a Brittany >.>
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