Having sex with members of ones own family.
Incest, the game the whole family can play.
by JJ July 30, 2003
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Lisa: Tommy do you know what incest in

Tommy: no

Lisa: It's how we keep the genes in our family
by Luminiteplayz 69 March 27, 2020
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Science teacher looking at the kid from Alabama everyone from Alabama is incest

Alabama kid: it was only once
by Alabama=Incest23 October 16, 2019
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To engage in sexual activities with one who is of blood relations.
n|p inserted his penis into his sister's vagina.
by Doug July 23, 2002
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When you have sexual interests with someone in your family (cousin, brother, sister, etc)
Logan is having sex with his cousin! Should I tell Rosie? That’s incest!
by Parishiltonisshook December 4, 2017
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When an individual has hardcore sexual intercourse with his/her own family member(s).
Adam committed incest with his sister last night.
by Travman November 13, 2002
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