1 definition by steven beeee

The name for a very large penis. A person who has a large penis may name it this.
chick 1: "Hey you see that guy over there?!"
chick 2: "Yeah?
chick 1: "Well i totally saw his Gilgamesh when he banged me last night!"

"There's a chick over there! Are you ready for this Gilgamesh?"
by steven beeee December 11, 2008
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