when you go beyond a normal erection and your penis has hardness of stone.
i had major rock cock after walking in on your mom in the shower.
tyler0durden가 작성 2005년 06월 27일 (월)
2 more definitions
After a concert when a girl gets layed by a rock band member, preferabley on the bands bus.
"That lead singer is hot as hell, I'm getting me some ROCKCOCK tonight"
Parma-lay-me가 작성 2009년 06월 13일 (토)
your cock rubs against small to large jagged rocks thus producing a reddish inflammed penis.
The water is low today for tubing I hope i dont get rock cock on the rapids.
meaty petey가 작성 2011년 06월 12일 (일)