Thrash Definition

Define Thrash (Verb)
thrash (present participle thrashing)

1. To beat mercilessly.
2. To defeat utterly.
   
3. To thresh.
4. To move about wildly or violently; to flail; to labor.
5. (in software) To extensively test a software system, giving a program various inputs and observing the behavior and outputs that result.
6. (in computing) In computer architecture, to cause poor performance of a virtual memory or paging system.
   

Define Thrash (Noun)
thrash

1. A beat or blow; the sound of beating.
2. (in music) A particularly aggressive and intense form of heavy metal music with a focus on speed, technical precision, and alternate picking.