Describes a troll on PMs, IMs, IRCs, message boards, forums, etc, that speaks only in uppercase letters. Usually, but not always, has a complete disregard for spelling and punctuation.
Dude 1: Did you watch the gamelast night?
Dude 2: OMG THAT WAZ SO AWESOME DID U SEE NO. TOTALLY PWN3D MAXIMUM PWNAGE IM HUNGRY I WANT TACOS LOL!!!!!1111!!ONE
Dude 1: Shut up, capswhore.
"I can't believe she's dating that animal-eating guy after the way she's gone on and on about how killing animals is wrong. If her values are that big of a deal to her why isn't she keeping to her own kind? What a carniwhore!
This is a person so desperate to have a vehicle but they will do anything to get a hold of one even sell their own soul. Or they will do anything to get a car for somebody else in order to keep a hold of them.
Bob is such a carwhore he slept with his best friend's wife just to be able to use her vehicle