Double-Breasted Mattress Thrasher 

A derogatory term used to describe a woman that you would like to have sex with.

Hey, Darren, there is a rare bird (Darren turns to look). There a Double-Breasted Mattress Thrasher.

Double-Breasted Mattress Thrasher by Kneeneye November 6, 2011

flesh mattress 

anyone so much bigger than their sexual partner that they're always on the bottom because it's too dangerous for them to be on top

I passed out on my flesh mattress after I finished fucking her. Slept like a baby.

flesh mattress by ezpei April 18, 2014

bang mattress 

When your mum buys you a mattress, but you use it for banging

That bang mattress is tight!

bang mattress by bangmattress March 12, 2016

car mattress 

The back seat of a car covered in seamen stains and moist with vaginal secretions.

I did Debbie on the car mattress last night.

car mattress by Wafflehoff May 10, 2016

public mattress 

A person who's having a high amount of sexual intercourse throughout their life. (mainly prostitutes, bitches and your girlfriend)

Hey, do you wanna hang out with Jessica again, your public mattress?

Friend 1: Where are you going to sleep tonight, man?
Friend 2: Er, I'll probably search for a public mattress and stay there until tomorrow.

public mattress by thai-germane February 17, 2017

Mingus mattress 

A cottonwood girl willingly able to sleep around with every guy in town, usually in a guys best friends bed, and afterwards only asks for $5 and a cookie.

Skylar always loved using guys for sexual attention, but not just one guy his closest friends to, thus being a Mingus mattress.

Mingus mattress by Barry verde March 9, 2017

Beating the Mattress 

Masturbation. Basically, if no one else is around, who are you going to beat it to but the mattress?

"John was beating the mattress so hard last night that I heard it through the wall."

"Jessica's out tonight. Guess it's me and the mattress."

Beating the Mattress by Apple-sucker July 26, 2012