kick ass
Proposed by a contributor, not yet supported by evidence.
Where it’s used:
Used
Widespread English
Examples
‘ Well, it kicks ass, as we say in the bang - your - head - circles.
I really want to go out and kick some ass one last time for Jeffrey, for me, for us, and most importantly for the people who come to see us. '
British National Corpus sentence via the MAGPIE corpus (CC BY 4.0, retrieved 2026-07-30)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.
Common questions
What does “kick ass” mean?
to do something very well or successfully Literally: to kick someone's buttocks
Is “kick ass” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.