Green’s Dictionary of Slang

1. (US campus) a destructive person.

1989		P. Munro Sl. U.
1991		D. Gaines Teenage Wasteland 93: Burnouts, were a conglomerate of several cliques — serious druggies, [...] metalheads, thrashers, and punks.

2. (US campus) a skateboarder.

1989		P. Munro Sl. U.
1992		N. Stephenson Snow Crash (1993) 293: Early thrashers used to inadvertently skate into walls of glass.

3. (US campus) a wild party at which there are breakages.

1989

P. Munro Sl. U.