Subgenre of metal taking heavy influence of thrash, hardcore punk, groove metal, sludge, old school death metal, etc.; basically any kind of fast and/or heavy, non-sissy music. So it takes scraps of each tight-ass subgenre to make it's own.
And the music makes you want to fight (i.e. scrap)
Most people into scrap metal are DIY punk rockers/hardcore kids/metalheads who are broke as fuck, so they probably actually do scrap metal as well.
Take It To The Street of Cincinnati is one of the pioneer scrap metal bands.
Yo, let's go beat up some nerds after we go to the scrap metal show.
Man, my amp head is fucked up. I'm gonna have to go scrap metal so we can play scrap metal.
What you call any steel/brass/aluminum item that you're too lazy or ignorant to repair.
I often find still-usable items at the junk yard that most folks consider to be merely scrap metal, but that I know how to salvage and make work again.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).