incestie

usually a twitter user, who really loves fictional incest.

Some twitter user: Dude, stop retweeting your incestuous ships

Other twitter user: sorry man, im an incestie, its in my blood

incestie by yaoitank August 5, 2023

incesting 

committing incest on a regular basis.

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

incesting by Baybee Becky October 20, 2008

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!

Incestion by Lily69 June 13, 2012

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.

incestment by toxic cowZ May 26, 2018

Incestist 

The act of discrimination against people who are in the an incest relationship. Word Origins: combination between Incest and Racist, First used by a Weeaboo on Youtube that goes by the name of Double4anime.

if you don't support incest, you are incestist

Incestist by Rimic June 21, 2016

incesticide 

incest- sexual intercourse between people within the same family.

suffix- icide- to get rid of. (e.g., pesticide)

a kick ass nirvana album.

incesticide is one of the best nirvana albums.

incesticide by dead is grunge April 25, 2004

incesterbation 

When you have sex with your clone, your doppelganger, or a version of you from a parallel universe.

If you clone yourself and then have sex with the clone, it is neither incest nor masturbation, but both: incesterbation.

incesterbation by Anon Imus November 16, 2006