Thumbsicution

The act of pentrating the butthole with a single thumb while in the doggy position.

Mack: "Yo I was having sex with Jeremy and he wanted to Thumbsicution me"
Meg: "NO WAY...Thats hot."

Necro-Fetish

The desire to have sex with a dead person.

Haley: "I really like him, but i heard he has a Necro-Fetish"
Smith: "Ew... I kinda do too"

Ryan: "Yo, fucked this girl last night"
Brendan: "Was she kinky?"
Ryan: "Yeah she was pretty kinky for a dead girl"