Top Definition
The stomach, most natably named because it is literally a sac shaped like the letter J.
dude1: "dude, you look tired."
dude2: "ye, i haven't filled my j sac in hours."
by ego-tripper August 01, 2009
5 Words related to j sac

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.