Top Definition
a penis so huge, when erect, it drains all the blood from the head and makes the owner pass out. Pulls chicks like a motherfucking magnet
Ben: Why is my penis so shriveled and pathetic :(

Gooey: Dont blame me, blame gayhair! He sucks the life out of his friends penises to create an almighty superpenis!

Ben: I wish I had a gayhair knob :(
by CSM MOTHERFUCKER August 04, 2007

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