Top Definition
A term used to describe the udders of a goat.

A man whose testicles hang down to his knees.
Because of the goat sack on Bessie, she will give 8 quarts of goat's milk a day.

Shauna said Joe's got so much goat sack, she can't even give him a ball hummer.
by TShel August 10, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.