imcest 

To bone ones aunty while being married to ones cousin

He pulled a right imcest on her

imcest by zycoon October 12, 2014

Pseudo-incest 

Sex with someone with a familial relationship, but no blood relationship. Sometimes treated as incest in the law, but not as much of a taboo subject in common society.

"Dude, she's not my mom! She just married my father."
"So that's pseudo-incest. Still illegal in this state."

Pseudo-incest by Stevarooni September 11, 2016

incest porn 

Porn, only with incest, like mother and daughter, or father and daughter, or even father and son and mother and son. This shit is crazy.

1: "Damn, I jerked my sausage roll over some lover shit last night"
2: "What kind?"
1: "That Incest shit"
2: "Gotta love that incest porn"

incest porn by Joelfuckedhisnan-dos December 20, 2016

incest is wincest 

A phrase many anime fans use to describe/praise an anime/manga depicting incestuous relationship(s), usually between or among siblings.

"I just can't stand anime, man. Why is there so much incest in it?

"Bro, incest is wincest!"

incest is wincest by Yume99 August 11, 2016

imbestigate 

The way Mets' GM Omar Minaya says "investigate." This can be noticed during the investigation of Mets' VP of Player Development Tony Bernazard's deplorable action to several Mets players.

When asked about the situation, Omar Minaya replied, "I think what we're going to have to do is imbestigate."

imbestigate by dbmjnets November 10, 2009

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

princess incest 

A princess of incestual molestation.

Usually only goes by the name of Stacie.

Omg stacie! What is you doing?? You're such a princess incest !

princess incest by Skankhunt42 October 29, 2017