A popular phrase local to the south-western area of Pennslyvania, specifically Pittsburgh, which describes the bosom of plenty a woman possesses. Basically, her tits, and specifically their perkiness and voluptuousness. Used mostly by local men, but in hair salons and local tavern culture 'burgh women have also been known to throw around this phrase.
Damn, look at the snack trays on that hot momma! I wanna grab me a nibble.