Chin, the lower part of the face where testicles (balls) would end up if given oral sex by that person.
Scott said, "hey, look at the hairy ball dock on that crack whore!
"Nice ball dock on that new girl, eh?" Scott querried.
"Nice ball dock on that new girl, eh?" Scott querried.
by Rhombic December 14, 2008
Get the ball dockmug.