a girl who USED to be fat, but with the help of gastric bypass surgery, (stomach stapling) is now skinny, almost to the point of anerexia. she now has folds of extra skin that hang from her body in fleshy waves. usually will also be manic-depressive with multiple other various mental illnesses ranging from the mild to severe.
"Meet my crazy cousin Jenny, the skinny-fat girl!"
by julsinthebox May 8, 2005
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