Dictionary entry

Thrash (2)

Webster's Dictionary 1913

{ Thrash, Thresh}, v. t. 1. To practice thrashing grain or the like; to perform the business of beating grain from straw; as, a man who thrashes well.

2. Hence, to labor; to toil; also, to move violently.

I rather would be Mævius, thrash for rhymes,

Like his, the scorn and scandal of the times. Dryden.