Someone having no class or morals before it was cool. Such as dating someone for a rzr or other offroad style vehicle, not needing an ID to get into a strip club due to the amount of frequent visits, shopping at rainbow, or spending the majority of your free time either at the bar or hugging your bathtub faucet for pleasure.
Matt- "Suhhhh dude, your the original trashy, come ride my rzr"
Meighan- "takes off panties okay!! I won't need these where I'm going"