1.1 Often times Mystery Fat is revealed when a person takes off their clothes or wears revealing/tight fitting clothes.
Another less clever name for this natural phenomenon is skinny fat.
Walter: "No, gross man, she has mystery fat, why do you think she wears jeans everyday?"
2. Spudberry: "Gross, did you see Grant's mystery fat in the locker room? He has the belly of an alcoholic"
Adolf: "Ugh, I know, what a Jew.... He's got a nice set of man tits though"