crosstown traffic

Crosstown traffic is a unique and pleasurable sexual act involving two partners of either gender. It is performed by evenly aligning both partners' anuses and having one partner crap inside of his/her partner's anus. The recieving end of the act has been described as pleasant, yet messy.

Alfonso: "Did you guys have sex?

Maurice: "No, but we did crosstown traffic."

Alfonso: "Awesome!"