fassination

1. Being captivated by someone's buttocks or having one's attention grabbed by looking at someone's bottom. One can be fassinated or find someone's ass fassinating or just caught in fassination.
2. Fantasizing about someone's ass.

When Zeta saw Zatty's bum, he became totally fassinated. The fassination with her bottom persisted all daylong. He would often tell her that he found her fassinating, but she didn't really know what he had in mind.

fassination by captainquirk October 20, 2009

Fassinator 

Hard core devoted fans of Irish/German actor Michael Fassbender are fascinated with him. The first 4 letters of his surname are used in an offshoot of the word 'fascinate/d/tion', and coined Fassinators.

Fans of Michael Fassbender are called Fassinators.
Lucy is a Fassinator of actor Michael Fassbender.
The Fassinators are excited about Michael's new film.
I've been a Fassinator for 3 years.

Fassinator by The Fassinator November 9, 2012

Fappination

When you don't have any actual porn and you fap with nothing but your imagination.

My mom found my playboys, and threw them away, now i'll have to use my fappination.

Fappination by Last_Pariah November 4, 2010

morbid fascination 

something what you know you don't like and is disgusting/scary but you can't help but watch.

Morbid Fascination:
Giovanna plowman tampon video is gross, and may make you feel sick, but you can't help but watch.

morbid fascination by PC Plod September 21, 2013

fascinating

extremely interesting.

It’s fascinating to look at these photos and see how critical the roles were that the animals served.

fascinating by ASALBARIO March 6, 2016

Bored Fascination 

When you are so bored, anything moving is interesting.

When John was taking a test, he he used the power of bored fascination to entertain himself with a ladybug

Bored Fascination by ninjacow October 18, 2010

fascinating new thing 

A new girl/boyfriend who you cannot stop talking about. Generally making your friends sick.

Tom: Jim just keeps telling me boring things about his fascinating new thing, Shelly.
Bill: Doesn't he know you're single and lonely?
Tom: yeah....

fascinating new thing by Crow June 1, 2006