kick some tail

slang

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

2. To defeat someone dominantly or decisively. Come on, team, this is our chance to win the championship! Now let's go out there and kick some tail!