Older person who has/still does smoke weed, usually comes from the 70's drug era. Uses odd terminology such as; grass or trees, loves smoking joints, and is a very odd to smoke with in general.
Yo Matt's dad is such an old head, he freaks me out when we smoke together.
A mental handicapped person (or window licker ). They wear bright luminous crash helmets so they are easily recognisable and do not stray too far from their spaz wagon. Helmet also helps in event of multiple spasms, fits or collisions with lamp posts.
"HeyJohnny, look at those helmet heads chasing the ducks."
A musician (most common in guitarists and drummers) who spends more time reading about and buying gear than they actually spend playing music. Gear heads think that by spitting out a flood of brand names and model numbers to their friends that they will sound more intelligent than they actually are. Also, they hope their new equipment will compensate for their lack of practice. Truthfully it shows they spend too much time on the toilet reading "Musicians Friend".
guy: I would let him in this band but gear heads are annoying
1. (n) the act of a male or female licking/suckling on/carressing with the mouth in any way or fashion, the femalebreast.
2. (v) giving booby-head
1. Damn, that freshman was giving his girlfriend some rather provocative booby head in front of his locker.
2. He booby-headed her for 2 hours straight, without coming up for air.
metal head's are the people who are hated the most in todays world, but they are devoted and true to thier metal. they listen to real metal not false metal.