To be impressed.
Hey Dave, that steak will rock your cock off.
To do something awesome and let everyone know how badass you are
All right fuckknuckle, time to rock out with your cock out.
A synonym to "whatever floats your boat" used by the common faggots known as "road men"
Oi Jim what shall I do with Fatima tonight blad. "Whatever rocks your cock" fam
Just let loose, party, stuff your sorries in a sack, and enjoy life.
"Yo you got to chill man, rock out with your cock out, man"