pc muscle 

Your grundle area- the muscle in the space between your ballsac and your asshole that you clench to keep from coming.
Short for pubococcygeus muscle
Premature ejaculators do "pc pushups" to strengthen it.

Don't say pc muscle dude, just say grundle.

pc muscle by screamin' jay hawkins July 9, 2005

pc muscle 

pubococcygeus muscles or pc muscles can be strengthened through kegel exercises for an enhanced orgasm

flexing your pc muscles makes you feel badass during class b/c no one knows but you're doing something sexual

pc muscle by Sar627 June 11, 2006

pc muscle 

One of two muscles that form the floor of the pelvis.

Male and female all have pc muscles.

pc muscle by axxx September 22, 2003