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 keep erect; to support; to sustain; to keep from falling
To hold up; to lift on high; to elevate.
To support by approval or encouragement, to confirm (something which has been questioned)