A rock term. Do have several meanings, like:
-Same term as Rock On! Used to show appreciation for rock.
-Used for cheering at someone.
-Means that somebody does something completely to the limit.
Guy 1: ROCK IT OUT! ROCK IT OUT!
Girl 1: Look at Timmy playing guitar!
Girl 2: Rock it out, Jimmy!
Guy 1: How was your job interview?
Guy 2: Awesome. I completely rocked it out.
A term used for somebody that is just sexually attracted to somebody. They just wnats to have sex with them, not date them or anything.
Guy 1: Look at that girl! She's hot, why dont you date her?
Guy 2: Nah, I'm just up onto her.
Girl 1: Wow, that guy stares at me! I wonder if he wants to date me?
Girl 2: I think he is just up onto you.
Your kind of music that you really like. Pronounced like the "mus" in "music".
-"I heard some punk tonight..."
-"Youdid? Punk is so my muse!"