Incest-in-law

To fuck one's brother-in law or sister-in-law.

Ed: "Wait, Jack fucked his wife Jill's sister?"
Eddie: "Yeah he just committed incest-in-law."

by The Elias June 2, 2016

Incest Evan

A person named Evan who dated his cousin and kissed that bitch like bro thats kinda weird.

Hey, that dude fucked his sister, we should call him incest evan

by Lil Carrotcake November 6, 2018

Incest.

Having sex with a blood relative. Usually a result of living in a remote location with a population of 1-4200

The man had incest. In order to keep on the family

by Thotsavage68 November 6, 2018

Incestualpedobeasteonecrophiliac

Incestual(Related to)pedo(under aged)beasteo(animals)necro(dead)philiac(attraction too)

“Ohh you like him, I think he is a Incestualpedobeasteonecrophiliac"

by BillyPRB March 31, 2019

Incest expert

Synonym: Pornstar

Person 1: Whoa.. why is he so in love with his cousins?
Person 2: That’s just Pornstar, he’s an incest expert, straight from Alabama.

by Python3 July 28, 2019

incestifile

Look down

Petifile + Incest = Incestifile

When you are fucking messed up. This is how you have children with someone related to you “what an Incestifile, that person is such an Incestifile”

by Guesswut January 23, 2020

incestians family

A family that has a lot of incest and weirdness but still loves each other a bit like Alabama

I’m part of the incestians family they are a bit strange

by Phoenix 123 August 7, 2020