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.
by Toddisgreat January 21, 2010
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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.
by shomesomethin July 12, 2010
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