A term used when a person has plans to do really good at something they really like. A bragging notion that you are going to be better than everyone else at the activity.
Steve: Hey Mike, you want to play some Halo tonight?
Mike: You better watch it Steve, cause I'm going to rock out with my cock out!
by Ghetto Fabulous Wanksta May 13, 2005
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Basicaly to have fun partying and not giving a shit who's watching you and what they think.
Corey doesnt care what people think of him and tends to rock out with his cock out.

Just have fun and rock out with your cock out.
by theamazing! January 31, 2010
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To party hard without regard for consequences.
Fuck it dude, life is short, rock out with your cock out.

In the TV show metalocalypse the bassist would literally rock out with his cock out, even going as far as playing with his cock.
by letdagoodxroll March 28, 2010
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A term used for partying, rocking, party-boying, jamming, or during the acceptance of an invitation. Also can be used if one is about to perform something they are accustomed to. (in some scenarios, this requires alot of confidence, or Swagger)
Guy 1: "Yo bro, we're goin' to Trish's party. You in?"
Guy 2: "Hell yeah! I'm gonna rock out with my cock out."
by 9th-Grade-Insanity February 1, 2010
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Taking your openly gay chicken to a metal show.
"It's so nice that you decided to rock out with your cock out."
by drawmonkey September 29, 2011
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what Britney Spears likes to scream out randomly in the middle of concerts during her 2009 Circus tour
"Drive safe, don't smoke weed, rock out with your cock out. Peace out muthafuckas!"
by ilovetbag April 14, 2009
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Pete exclaimed, "Dude, rock out!"
Chris said, "Psh, I rock out with my cock out!"
by KaitlynKarma[TM] May 11, 2008
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