Definition of "kick ass" in English

Verb

1. To win decisively.

   • Did you win? We didn't just win, we kicked ass.

2. To be very impressive.

   • The soundtrack to this film really kicks ass!

3. To beat to a pulp; beat up

Interjection

1. Used to express happiness or a feeling of accomplishment.

   • Kick ass! I just got my friend to stop playing that stupid song!