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The action of going to a formal dance with a partner that feels sorry for or pitys the person he/she is going with.
Guy: Hey you want to go to Prom with me?
Girl: Uhhhh...... wow... uh ok?
Guy: Great, what color will your dress be so I can match.
Girl: It doesnt matter because we're going half-stag.
by reggedoll May 11, 2010