A promiscuous woman who repeatedly engages in the act of coitus (sex) with many different partners and thus should attach a mattress to her back to increase time efficiency. (so the guy can push her over and fuck her).
by Norsey September 25, 2007
Get the mat back mug.in other words mattress back describes a fat person you can use it for all people like if they are skinny you would say you single matback and if they are fat you call them a double matback
Girrrrrrrrup big matback
by misterrrjosh November 3, 2019
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Matback
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Matress-Back, meaning a girl is a "slag" and always has a back to matress doing "the business". Also means that a girl is a prostitute.
1) Bro, that gyals a matback, been with bare mans
2) Oi, did you know Sophie is a matback these days?
2) Oi, did you know Sophie is a matback these days?
by kyasper September 7, 2005
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