To rumple, tousle or make (something) untidy.
A mess (disagreeable mixture or confusion of things; disorder)
To thresh.
To defeat utterly.
To extensively test a software system, giving a program various inputs and observing the behavior and outputs that result.
In computer architecture, to cause or undergo poor performance of a virtual memory (or paging) system.
To move about wildly or violently; to flail; to labour.
To beat mercilessly.
A beat or blow; the sound of beating.
thrash metal