Incest Baby 

1. The result of two family members, typically a brother and his hot cousin, getting together and doing the DO.
2. Neko's boyfriend.
3. The term used for the offspring of 2 dumbfucks that are closely related that are ugly as hell.

"Neko's boyfriend is an incest baby lacking an off button."
"We're gonna have an incest baby."
"Mama, I'll stay home and take care of our incest baby, I promise!"

Incest Baby by Heenz January 2, 2009

Incest Baby 

A baby born from an incest relationship.

I and Aunt Jane had an Incest Baby after having unprotected sex for months. We are thinking of getting married.

Incest Baby by TurtleSnake69 March 3, 2016

Incest baby 

An npc or person's character in a game that is very overpowered and popular amongst other overpowered characters. Practically spoiled in every way possible.

This term is inspired by game of thrones.

Person 1 - hey, did you see that guy, jerry on the game?
Person 2 - yeah he was such an incest baby.

Incest baby by FancyNarwhals August 6, 2014

Incest Blumpkin baby

The most disgusting, low life, waist of a person and the worst abomination in the entire world.

A baby who was conceived while a women sucked off her brother whilst he took a poop then proceeded to let him finish inside her.

Go away you nasty incest blumpkin baby!

Incest Blumpkin baby by Imadeupfoompa April 30, 2019