A combination of three penises forming in such a way as to create a small enough passage way so that a fourth penis may fuck that formation of three penises. Usually the formation involves two penises, creating the lower portion of the cockgina, and the final penis on top, creating the upper portion of the cockgina and increasing the friction felt by the fourth penis.
Burris: Yo man, have you ever fucked a cockgina before?

Me: Ya! Ty, Danny, and Scott let me fuck their cockgina last night!
by Sky Trees January 6, 2009
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a male or females attempt to sexchange but things went bad in o.r
my cousin josh now has a cockgina because the doctors fucked up
by mclout4226 September 23, 2009
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a combination of a cock and a vagina
that's one ugly M.F. cockgina
by jake the snake February 13, 2005
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the mix between a man and a woman otherwise known as a transvesdite
blaire is a cockgina.
by little burger July 28, 2009
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When the PP hole, or urethra of the male is so blown out that it can be used as a vagina. Coined by nathan hinds
Holy shit kayla, I think I have a cockgina
by NateMasternatethingydingy October 22, 2018
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