Fat Girl Boobs
Big seemingly nice full boobs, a D cup or higher, that only exist due to the fact of the woman being 50 pounds or more overweight. They would look like deployed parachutes if the weight was lost.
"Dude, check out the rack on that chick over there."
..."Man what are you thinking? Don't get too excited they are just fat girl boobs."
..."Man what are you thinking? Don't get too excited they are just fat girl boobs."