3. A taco found on a street corner
Damn, you're uglier than a $3 street taco
A term coined while watching Top Chef with friends, a street taco refers to any sort of slut or hoe that you might find wandering around your neighborhood, school or workplace and/or the anatomy of said slut or hoe.
When she came walking towards my car, I rolled down the window and said, "I don't want any of that street taco."