The super tight and stretchy leggings or pants, such a yoga pants, that have become popular as women's outerwear circa 2008.
The form fitting qualities of these pants outline and accentuate the vagina or "taco."
Guy: "Are you ready to head out?"
Girlfriend: "Yep."
Guy: "Why are you dressed like you're going to the gym?"
Girlfriend: "What are you talking about?"
Guy" "Are you really going to wear those taco pants to Applebees for half-priced appetizers?"
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