|1.||rock your face off|
To do somehthing better than someone else. To empress somebody to a large degree
I am so good at the Olson Twins board game. I am going to rock your face off.
|2.||ROCK YOUR FACE OFF|
Getting beyond hammered with your friends blasting awesome music
"Hey what are you doing?"
"ROCKIN MY FACE OFF!"
"YEAAA ROCK YOUR FACE OFF!!"