[v] give a thrashing to; beat hard
[v] beat the seeds out of a grain; in agriculture
[v] move or stir about violently; "The feverish patient thrashed around in his bed"
[v] move like a flail; thresh about; "Her arms were flailing"
Synonyms
convulse, flail, flail, jactitate, lam, slash, thrash, thrash, thrash about, thresh about, toss