kick some butt

Related to kick some butt: come in handy, so much for, take account of, kick up one's heels

kick some butt

slang To be authoritative, assertive, and motivational in order to achieve or accomplish something. You're going to need to start kicking some serious butt if you want to get your branch's sales numbers back on track. The new senator has promised to kick some butt in Congress to change the things his constituency has demanded.
See also: butt, kick
Farlex Dictionary of Idioms.

kick some butt

verb
See kick some ass around
See also: butt, kick
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • get your butt over here
  • Get your butt over here!
  • butt in
  • can’t find one’s butt with both hands
  • can't find (one's) butt with both hands
  • can't find butt with both hands
  • be busier than a one-legged man in a butt-kicking contest
  • (one's) butt is on the line
References in periodicals archive
"The Avengers" didn't only kick some butt on screen while fighting Loki, but they also destroyed the box office.
HEATHER Watson exited the AEGON Classic yesterday but warned she is heading to Eastbourne to 'kick some butt'.
And this from the assault on Fallujah, courtesy of US Marine Sergeant Major Carlton Kent: "Each and every one of you is going to do what you have always done - kick some butt."
"We have two weeks left to kick some butt and show what kind of team we really are," he said.
I wanted to know more about the character - she can kick some butt, she's tough, not a wimpy Bond woman.
She told US TV chat show host Jay Leno: "Let's put it like this - Jinx can kick some butt. She's tough.