Rock Out

1. The act of enthusiastically listening to music of the genre rock and roll

2. Public display of crack cocaine

1. I'm gonna go rock out on some ACDC

2. dude yo left yo rock out!

by TomWaxman July 20, 2010

rock out with your knockers out

When a woman with big knockers is at a concert and pulls out her tits. May also describe a woman rocking out with her tits out while listening to a song. Similar to rock out with your cock out.

This babe with huge knockers rocked out with her knockers out at the Slayer show!

I want to see all you girls rock out with your knockers out!

by revan86 November 27, 2010

Rock out with your cock out

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

rock out

said when an individual has to leave one or more friends abruptly.

"Sorry guys, I got to rock out. My girlfriend just called and told me to come over because her parents just left.

by The Dingo February 17, 2005

Rock out

"Go crazy"

"Man that guy really likes to rock out"

by Gary January 20, 2003

rock out with your cock out

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 13, 2009

Rock Out

"with your cock out"

This usually entails drinking copious ammounts of beer, turning to the neerest available "mate" and exposing ones genitals to the elements, whilst "throwing up the horns" (common Rock music gesture).
Synonimous to "Hang out with your wang out"
and "having your penis outside of your pants and looking like a douchebag" (thankyou Ryan).

The "rocker" is usually the subject of much humilliation during the following days/months/years etc.

-"Hey did you hear what Jack did this weekend? He got like totally trashed and showed Russ his dick!"
-"what the hell really?"
-"yep, he rocked out with his cock out"
-"haha! ROCK OUT!!!"

-"WHAT THE HELL JACK!! WHAT THE HELL!!!"

by Spriggen_nick August 21, 2007