Thrash may refer to: Thrash (computer science), where increasing resources are used to do a decreasing amount of work Thrash (mascot), mascot of the Atlanta Thrashers In music: Thrash metal, a subgenre of heavy metal music » *Crossover thrash, a subgenre of both hardcore punk and heavy metal music. *Post-thrash, a subgenre of heavy metal music, also known as neo-thrash, or groove metal. » *Thrashcore, a subgenre of hardcore punk "Thrash", in the 1980s, was often used as shorthand for U.S. pu… (More on Thrash)