kick butt

kick (somebody's) butt  (American & Australian very informal!)

to punish someone or to defeat someone with a lot of force The officer told his men to move in on the protestors and kick butt - show them who's boss! We went out with the gang to kick some butt.

See also: butt, kick

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kick (somebody's) butt also kick some butt

1. to fight someone and hurt them kick (somebody's) ass Lyle claimed she could kick my butt, and then decided she had better start training in case anybody asked her to prove it. The cops in this city don't just want to kick down doors and kick some butt.

2. to defeat someone completely kick (somebody's) ass Even when Barry was hurting, he was not only on the field but also kicking butt. We hope they come back because we want to kick their butt again.

See also: butt, kick

kick (some) butt (and take names) See: kick (some) ass (and take names)

See also: butt, kick

kick butt (spoken)

to be very exciting or effective kick ass The new system really kicked butt, catching several cheaters the first day it was used.

See also: butt, kick