A person with a significant excitement or fetish in leather clothing and/or accessories. Most commonly applied to a homosexual male. Leather clothing and/or accessories are often referred to as "gear".
Why is he wearing all that leather?? I didn't know he was such a gearhead.
by JovetX June 5, 2009
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A klutz, embarrassment; dick. Also an asshole
Come on guys don't be a Gearhead.

He was walking over with the food, he slipped and fell down along with the food. Stupid Gearhead.

Walks over to try to talk to a group of girls, the girls blow the rape whistle and guy gets arrested. Bystander says to friend, "wow did you see that Gearhead, what a dick!"

Dad asks to take out the dog, and doesn't because he's too lazy. Don't be a gearhead
by rick491 November 11, 2013
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an individual who has both knowledge and expertise in all aspects of the video game Gran Turismo 4
Femi is such a gran turismo 4 gearhead.
by jambar philotin August 27, 2006
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The moment in time when someone says something completely stupid.
Jason had a Gearhead moment at the store. .
by Twysted69 November 18, 2021
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