A portly woman with no bodily features other than her stout barrel shape, who typically takes jobs at low rent places such as Wal Mart McDonald's. She would typically be pursued by a mexican with few other prospects.
Guy 1: Dude did you hear Carlos asked Barrel girl out yesterday?
Guy 2: Yeah he didn't really have any other options.
Guy 1: He took her to the Mcdonald's she works at so he could get a discount.