To move about wildly or violently; to flail; to labour.
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 beat mercilessly.
To thresh.
A beat or blow; the sound of beating.
thrash metal
To violently toss the limbs about.
To beat soundly, usually with some tool such as a stick or whip; to drub.
To separate the grain from the straw or husks (chaff) by mechanical beating, with a flail or machinery.