Incestion

Getting your own mother pregnant, then getting that daughter/sister pregnant. Therefore, it's a sister within a sister. Inception + Incest = Incestion

Woah, you got your mom pregnant? Then that child? INCESTION!

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Incestion

INCESTion is the act of fucking your wife while she's pregnant and sticking your penus soooo far in that it goes In your babies mouth. Therefore, you are somewhat being an incest.

That incestion last night was sooo good. My baby is gona come out sucking dick like a pro.

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Incestion

When one member of your family wants you to have sex with another member of your family.

"I want my sister to fuck my dad!"
-"Whoa, Incestion!"

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incesting

committing incest on a regular basis.

having sex with your mom on a regular basis would be considered incesting

Incest

Having sex with members of ones own family.

Incest, the game the whole family can play.

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incestment

When a girl fucks her dad on the regular in exchange for money and cars

Bro i here that chick gets HUGE incestment form her dad.

WHOA NO WAY DUDE.

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Incestable

A blood relative with enough beauty to warrant serious contemplation of sexual relations.

I haven't seen my cousin Jessica since we were kids...fuck me running - she's incestable!

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