Top definition
A guffey butt is a woman's ass that has gone through so many weight gains and weight loses that it has become flat and has sank down into her thighs.
Martha if you keep losing weight like this your ass will look like a "Guffey Butt".
by Labonte777 January 28, 2014
Get the mug
Get a guffey butt mug for your grandma Nathalie.