The female counterpart of the dippin' cowboy, characterized by excessive partying and drinking at low-budget Southern social events, usually BYOB. These girls are notorious for being scantily dressed, very extroverted, and very, very easy.
Person 1: You know, Lindsey's pretty hot. I'd totally tap that.
Person 2: Don't bother, she's a drinkin' cowgirl, she's probably got all kinds of diseases.