thrash

Synonyms: batter beat up belabor belt birch buffet bury cane chasten chastise clobber crush defeat flagellate flog jerk kill lambaste lick maul murder overwhelm paste pelt pitch pound pummel punish rout rush scourge seesaw slaughter spank stir strike surge tan tan one’s hide thresh toss toss and turn trash trim trounce wallop wax whip work over writhe

Antonyms: be still