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The vagina of a lonely woman, who hasn't had sex or masturbated in a couple weeks at least. She is a very sad sight to see. The term "dusty taco" refers to the human embodiment of depression and loneliness. The women with a dusty taco are usually under age or about ready to commit suicide. Either way, it is very to approach a girl with a dusty taco.
"God damn that girl has a fucking dusty taco!"
by Gayson4/20 April 19, 2017
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