flog, welt, whip, lather, lash, slash, strap, trounce

beat severely with a whip or rod; "The teacher often flogged the students"; "The children were severely trounced"

• flagellate, scourge — whip
• horsewhip — whip with a horsewhip
• switch — flog with or as if with a flexible rod
• cowhide — flog with a cowhide
• cat — beat with a cat-o'-nine-tails
• birch — whip with a birch twig

• beat, beat up, work over — give a beating to; subject to a beating, either as a punishment or as an act of aggression