Top Definition
n: What miraculiously occurs when GUY #1 shoots his load into GIRL #1's mouth and she turns around and spits it into the vagina of GIRL #2, which ultimately leads to the knock-up of GIRL #2.
Guy #1: Hell naw, man! Technically, that kid aint mine.

Guy #2: Can you prove it?

Guy #1: Hell yeah, man! I got the third party conception on video!

The proud result of a Third Party Conception, Little Junebug could hold his head up high. For, he had not one, but TWO mommies.
by Harry Hogdick February 15, 2009
5 Words related to Third Party Conception

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