k's up - K’s up is when you tell someone to shut the f**k up so hard,

K’s up is when you tell someone to shut the f**k up so hard, it sounds like you just got yelled at by your mom and your principal at the same time.

I K’d up my brother so hard, it sounded like my mom and my principal were yelling at him.

When I K’d up my friend, he looked like he was about to cry.

I K’d up my boss so hard, he looked like he was about to quit.