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Referring to girls underwear or panties of the Smanchy variety... ie. are very dirty, unwashed, smelly, ect... Smanchy coming from the word Smanch which is a very unpleasent description of the female neather regions.
I think it's time to do laundry... all my panties have become smanchy pants.
by fortheloveofmellow July 22, 2010
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