Definition of Thrash

Verb: thrash thrash

Give a thrashing to; beat hard
- thresh, lam, flail
Move or stir about violently
"The feverish patient thrashed around in his bed";
- convulse, thresh, thresh about, thrash about, slash, toss, jactitate
Dance the slam dance
- slam dance, slam, mosh
Beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all
Move data into and out of core rather than performing useful computation
"The system is thrashing again!"
(farming) beat the seeds out of a grain
- thresh
Beat thoroughly and conclusively in a competition or fight
"We thrashed the other team on Sunday!";
- cream, bat, clobber, drub, lick, trounce, wipe the floor, whale [N. Amer], hammer, slaughter, tromp [N. Amer], smoke [N. Amer], muller [Brit], beat hollow

Noun: thrash thrash