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.
by funkmastah9 August 12, 2003
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Getting beyond hammered with your friends blasting awesome music
"Hey what are you doing?"
"ROCKIN MY FACE OFF!"
"YEAAA ROCK YOUR FACE OFF!!"
by 123454324 August 17, 2011
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