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.
by Corky Carter May 29, 2011
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A girl that trolls around at the end of the night just hoping that someone has thick enough beer goggles on to take her home ..
Similar to a mud duck
Look here comes a bottom barrel girl ...

Why you always cheat on me with a bottom barrel girl....
by Ntravisty July 11, 2019
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