A fork of Rural Dictionary
The fat bump half way between a females gut and muff. Obese females can artificially create a guff by wearing tight pants and/or belt. In sexual terms, the guff may be referred to as "more cushion for the pushin'"
"Oh my, look how fat that ladies guff is!"
"That old chick's got tits hanging all the way to her guff"
"Wow, she's cute, but she's got a bit of a guff"