What is Fat Back?
1.
The flab that hangs over and around the back of a fat woman's bra. Also rolls of fat that incorporate the undrarms and shoulders of said fat women.
have you seen that chick eat? No wonder she's got a ton of fat back on her.
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2.
The layer of fat that runs along the animal's back. It's VERY salty, and yet you can't stop eating it.
I don't care that it's making my blood pressure sky rocket, pass me another piece of fatback!
3.
our friend matt is a fat back
wow what a fat back
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4.
the pubis area in which your pubic hair grows; the area above the penis or labia
"taylor couldn't reach cam's cock, because his hairy fat back was in the way."
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5.
Also a layer of fat that runs around an unhealthy persons waist
Tim, awww put ur fat back away your making me sick.