A deplorable sex act originated in Charleston, SC by meth addicted trailer trash in which one person deposits feces into the anus of another person. The method through which this act is achieved varies by region. The North Charleston Charley Town Swap is the most unpleasant, usually requiring tools to open the anal cavity of person A while person B squats over them like they're a dirty truck stop toilet seat and dumps into them at their leisure.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.