Thrasher

Origin

thrash + -er

Noun

1. One who thrashes.
2. Any of several New World passerine songbirds, of the genera Toxostoma, Allenia, Margarops, Oreoscoptes and Ramphocinclus in the family Mimidae, that have a long, downward-curved beak.
3. A thresher shark.
4. (informal) A fan of thrash metal music.