sisexual 

SISexual.

A person who wishes to have sex with their sister. And only her.

Dude, I think he's into incest.
-Yeah, he's sisexual.

sisexual by JoMan112 August 6, 2010

Skinssexual 

Skinssexuality is sexual behavior or an orientation involving physical and/or romantic attraction to both males and females from the Skins cast. Every Series, every generation.
It can be towards the entire cast or most of them.

Girl: I'm so confused cause I thought all these time that I was straight but now I would definitely f*ck Kathryn Prescott/Lily Loveless/Hannah Murray/Freya Mavor. I think I might be Skinssexual

Boy: If BAMF Tony can do a blowjob and still maintain his swag, so can I. Humm..maybe I'm just Skinssexual.

Skinssexual by LittleThingsSkins July 17, 2011

Swansexual 

The deep fire inside that calls out when you see a swan. You feel drawn to the soft feathers and elegant beaks .

Person 1: Look how peng that fittie is
Person 2: Sorry man, I’m swansexual.

Swansexual by LIY77 May 13, 2020

Simsexual 

Adjective. Being attracted to only Sim characters.

"I am totally in love with Shane, my sim character. I'm so simsexual, haha!"

Simsexual by HelloThereImAPotato October 2, 2016

Sansexual 

Sansexual is a new sexual orientation recently discovered by people of America. It means to want to fuck Sans from Undertale.

Hey are you "Sansexual"?

Sansexual by Giorno Joestar October 18, 2019

suisexual 

a person who is neither heterosexual, homosexual, bisexual, or asexual. they are not attracted to anyone but themselves, therefore, they jackoff a lot.

Fuck sex, I'm a suisexual! Vaginas and penises are GROSS!

suisexual by Dan and Amanda May 5, 2006

Sisexual (Si) 

Sisexual: When you like your sex and your opposite but mostly your opposite. It’s like straight mixed with bisexual.

Catherine : I’m Bi but I like guys a little more than girls...
Julie: So your Sisexual (Si)?
Catherine: Yes!

Sisexual (Si) by UrbanGirl2005 April 8, 2018