1 definition by KrazyK1992
the roll of skin, sometimes enormously large, that extends from the base of the skull and folds horizontally over the neck
Damn bro, homie up front got mad skull fat going on.
Dude, your skull fat is hanging outta your collar again.
Dude, your skull fat is hanging outta your collar again.
by KrazyK1992 October 21, 2008