Incestant

A person who commits an incest.

The two incestants were caught in flagranti and couldn't deny the truth anymore.

by Shee naz August 1, 2018

Incestigation

An investigation in regards to rumors of blood-related family members involved in sexual relations

We have conducted an incestigation to determine whether or not the rumors of you dating your sister were true or not.

by ByteMei November 18, 2019

Incestigator

A private investigator for incest.

Guy: “No!! Mister! I think my sister and brother are fucking!”
Incestigator: “Ah fuck, not again. I’m putting a bloody stop to this.”

by YTB - Yeah The Boys November 24, 2019

Incesticide

Death by fornication with a family member

The crime of incesticide was committed at the white’s residence.

by TheHolyTrinity October 27, 2021

incestimate

Any evaluation of a number by a company of its own data in its own best interest.

Twitter incestimated in a filing on Monday that false or spam accounts represented fewer than 5% of it's monetizable daily active users - Reuters.com

by rev matt May 13, 2022

Incestuous cunt

A cunt who cannot respect your relationship and also has children within the family of the man she is messing with.

Kayla is an incestuous cunt for messing with my boyfriend who is her husband's(the father of her children)cousin.

by That bih she screwed over August 15, 2022

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

by yaoitank August 5, 2023