A girl who is rather heavy, yet not totally obese, in a fairly sexy way. It is a common term of endearment for the larger girls, who are not fat, but sexy.
"Wow, Charlotte Church is quite the fatback"
"Mmm, Natasha, Fatback much?"
by FatBackLover March 19, 2009
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man who can very carefully and efficiently balance being both a pimp and an alcoholic.
the fatback had sex with a sexy lady without spilling his beer
by fatback August 18, 2004
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Cleaving the buttocks in twain. Similar to a danza slap right along the buttcrack.
The bitch didn't like it in the ass so I had to teach her what's what with a Fatback Chopper.
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A former hangout in Northeastern PA across from Camp Cockblock where good times and all around shinannigans took place.
Let's go over to Fatback mountain and wake up Fatback.
by Mr.Mulch January 9, 2010
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When you slap your stomach so hard your back jiggles
Dude you see that fatback hit the water.
by Craigitron March 17, 2017
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