Thrash
WordNet
noun
(1) A swimming kick used while treading water
verb
(2) Beat thoroughly and conclusively in a competition or fight
"We licked the other team on Sunday!"
(3) Give a thrashing to; beat hard
(4) Beat the seeds out of a grain
(5) Move or stir about violently
"The feverish patient thrashed around in his bed"
(6) Dance the slam dance