Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: kick in the butt
Usage: informal
  1. A kick to someone's buttocks, literally or figuratively as motivation or punishment
    "The stern warning served as a metaphorical kick in the butt to get him working harder"

Derived forms: kicks in the butt

Type of: corporal punishment

Encyclopedia: Kick in the butt