the female equivalent of a "tea bag." where the girl runs up and rubs her genetalia in/on someones face.
"He thought he was so cool for tea bagging me, but last night i totally she bagged him."
The female equivalent of a douchebag, or "d-bag".
Guy 1: "I was talking to this chick at the bar who kept going on and on about LA this and LA that. Turns out she was from Oakland or something."
Guy 2: "Sounds like a total she bag."
Guy 3: "Yep."