beat up, work over, beat - give a beating to; subject to a beating, either as a punishment or as an act of aggression; "Thugs beat him up when he walked down the street late at night"; "The teacher used to beat the students"

flagellate, scourge - whip; "The religious fanatics flagellated themselves"

horsewhip - whip with a whip intended for horses

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 up, work over, beat - give a beating to; subject to a beating, either as a punishment or as an act of aggression; "Thugs beat him up when he walked down the street late at night"; "The teacher used to beat the students"