"Gearhead" is a slang term and refers to a person a who is extremely interested in fixing, modifying and rebuilding cars. A gearhead can also be knowledgeable about computers, electronics, technology and gadgets.
9 months ago
Last edited at 11:58AM on 3/16/2013
A "gear head" is a term used to describe people who are super-interested, or even obsessed with: driving, building, repairing, rebuilding cars, race cars, motorcycles, etc. They love things that they can make "go fast"... or go fastER. :)