The process of having sexual intercourse with the vertical canal that results from squeezing together rolls of fat and/or loose skin on an obese woman's back.
My 300lb girlfriend wants to stay a virgin so she lets me give her a Mississippi Fat Back and spooge in her perm.
by murd3rfun July 28, 2010
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When I was in Memphis last week I broke me off a piece of Mississippi fat back.
How was it man?
Greasy!
by Bully Schlitzkowski May 16, 2016
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