Top Definition
1. A person who is extremely addicted to the game, Guitar Hero, and cannot stop playing even after they have gold-starred every song on expert.

2. The title of an Episode of "South Park".
Dun! that dude's been playing guitar hero for 3 days straight, he must be a guitar quiero.
#guitar #hero #guitar-quiero #guitarquiero #hero guitar
by Gucci Bawlz July 02, 2009
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