svinctor 

oy you numty above me a svinctor is the muscle that controls your arse hole not your belly button.

its your ring,or your dohnut

its usally brown

the man just managed to squeeze a number 2 out of his svinctor

svinctor by brown finger November 14, 2003

svinctor 

a belly button

he was fingering his svinctor

svinctor by Ron March 8, 2003