A slang reference to a female or male that is known for their promiscuos
sexual activity whereby they openly and
willingly allow the frequent use of their vagina and/or their anus for the
sexual gratification by many different and multiple partners.
Frank: What's up
Broh! What's new?
Stan: I finally got a date with Wendy that works at
the Cafe on the first floor?
Frank: Are you kidding me?
Stan: Yea. Why? What's wrong?
Frank: Dude that girl is one Crowded Subway. Better wear a
raincoat.
Stan: Well Sh**!