Contraction of "Pudgy orgy", group sex amongst those of grand dimensions (I.E. Fatties, Sows, Porkers, Swamp Rhinos, etc). A Porgy generally occurs when the efforts of the fatsos to bone or be boned by a somewhat slimmer individual fail miserably, and thus they are left with the choice of eternal virginity or sweaty, mouthbreathing copulation with those of their own kind. A Porgy can be infiltrated by chubby chasers of both sexes.
I'm here for the porgy" "Hey dude, we're having a porgy tonight at my place" "Shaniqua got her ass crushed at the porgy