mattressback 

A fireman who sleeps on the job. Policemen frequently refer to firemen as "mattressbacks"

We here at the copshot work twice as hard as those lazy mattressbacks over at the fire station.

mattressback by Toddisgreat January 21, 2010

mattressback 

A slang term for a prostitute,; a woman who makes a living on her back.

A mattressback spends as much time as possible on her back, making money.

mattressback by shomesomethin July 13, 2010

mattress back whore 

A girl closely related to or one and the same as a "Cum Guzzling Gutter Slut" So ready for sex that she has a mattress strapped to her back at all times.

Rob's nickname for his girlfriend was either "Mattress Back Whore" or "Cum Guzzling Gutter Slut" though he rarely called her those names in public.

mattress back whore by xeno1 February 11, 2014

Mattress Back 

When a woman does not get off her back. Constantly has sex.

Marie fucks everyone. She's a mattress back

Mattress Back by Fingers9705 December 9, 2008

Mattressbating 

The delicate act of dry humping your mattress into submission until you cum

Oh, I was mattressbating there like an hour ago, you wanna play some Oreos?

Mattressbating by Wildcardbitch69 December 3, 2010

mattress back 

1. (noun) A girl who has sex so often, whether with the same partner (nympho), or many different ones(slut), that her back seems to be constantly on a mattress.
2. a condition derived by a girl who engages in said activities.

1. "That girl is a mattress back if I ever saw one."
2. "You're gonna get mattress back if you keep sleeping around like that."

mattress back by Pleasure Boy 1, erotic fiction author December 11, 2004

nickel lay mattress back

A woman who can be persuaded into sexual intercourse very easily and often may have bed sores from being on her back so much.

"Dammit bro that nickel lay mattress back stole 200 bucks out my wallet before she caught her uber ride."

nickel lay mattress back by JSmith lu 43 April 5, 2017