Cincest 

When two people within the VCUarts Cinema major hook-up and/or date.

Did you see joe and jane at the wrap party? Total cincest.

Dude after all that cincest during the summer intensive, fall semester is going to be super awkward.

Cincest by robbyt April 28, 2011

Chincestchilla 

When two chinchillas who are closely related (brother/sister, mother/son) copulate and become pregnant, a chincestchilla is born.

After daddy died, Bubs was sad and lonely so she hooked up with her son Dingo and they created a cute little baby chincestchilla.

Chincestchilla by whiskeyriver October 21, 2009

concest 

Consensual incest.

Hey I was watching this anime yesterday where the protagonist engaged in concest with his sister.

concest by Cygnus_43 November 12, 2018

Chincest 

To be horny over chins

"Max is very Chincest"

Chincest by X_SavageMemes_X November 14, 2016

concest.

(n.) sexual intercourse between cousins.

He should have broken up with his boyfriend when he found out his boyfriend had concest.

When Seth and his cousin had sex, they had concest.

concest. by Braxtany August 25, 2008

Chincest 

when two people who are related by blood rub chins affectionately

yo, did you see Joe and his sister, totaly Chincest!

Chincest by tomas chinagin July 2, 2008

Chincest 

The definition of chincest means a brother an sister with spotty chins rub eachother with there chins rapidly

Hi sienna did you run your chin with Kieran today .So chincest

Chincest by Simon baily November 19, 2019