Gravy Sack

The bulge on a persons lower neck.
Did you see Brandt's gravy sack that thing is as large as the meteor that killed the dinosaurs!
by J-J-J-JOHN CENA January 08, 2016
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sack gravy

also known as boy butter...or semen
she wanted to eat my sack gravy
by lane13 October 21, 2008
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