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When a girl is hot from the neck down but is ugly from the neck up.

The paper bag part comes from the stereotype from tv shows or movies when people are ugly and they were paper bags on their heads.
Look at that chick she has the Paper-Bag effect going on.
by SuperMex December 14, 2010
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Dreaming of a paper bagg over some ones face
you talk to a girl nice body face looks like she got hit by a truck you imagin somethin to cover her face so you can get on with the conversation with out thinkin about her face
by Anonymous June 12, 2003
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