incesterbation 

When you have sex with your clone, your doppelganger, or a version of you from a parallel universe.

If you clone yourself and then have sex with the clone, it is neither incest nor masturbation, but both: incesterbation.

incesterbation by Anon Imus November 16, 2006

incepturbation

jerking off on a video of you jerking off while recording yourself jerking off to a video of you jerking off.

dave: i walked in on greg's incepturbation session last night. he had the whole setup, it was gross!

incepturbation by peetr March 31, 2013

Incesterbation 

The act of having sex with your clone; a mix of masturbation and incest.

Spotti cloned herself and I caught her incesterbating, and it was awesome. It was some pretty hot incesterbation.

Incesterbation by Taliaa July 16, 2007

incepterbating 

the act of masterbation whilst watching yourself masterbate either by means of mirror or video

Dude, I totally got caught incepterbating by my mom when she walked in the bathroom on me!

incepterbating by Donut88 October 6, 2012

Inceptibate 

inceptibate (v.)- An “Inception” type of masturbation. The act of masturbating to a picture of yourself masturbating to a picture of yourself masturbating.

"That douche is so full of himself, he probably inceptibates twice a day, and three times on Sunday."

Inceptibate by sweendawg58 August 7, 2012

Incesturbate 

To masturbate your identical twin.

"What did you guys do last night?"
"My twin brother and I attempted to incesturbate for the first time"

Incesturbate by Garooshnar December 20, 2016

Genderbent Incesterbation 

incesterbation but when the clone of yourself is genderbent, and not a clone with your biological gender.

Man, have you ever wanted to have Genderbent Incesterbation? Male me would be so hot!

Genderbent Incesterbation by sharkmother March 10, 2023