Used to describe a situation where the usual rules of attraction no longer apply. Standards are lowered in order to accomadate the less appealing.
Particularly in the workplace, where a 38 year old divorced mother of two on the end of the production line stacking boxes can appear pretty tidy.
H.D:"that bird you pulled last night was a bit shabby rtj."

rtj:"yeah, I was playing by Roussel rules."
by Herman Dogg December 22, 2003
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