When you're a dark alleyway in the Brazilian province of Buenos Aires, and a homeless man offers a service to you 10 Brazilian reals
Male 1: Dude! This guy just gave me a "Brazilian Butt Job" for just ten reals!
Male 2: Bro... where?
A sexual act involving paper or cardboard.
Male 1: Last night she did some "paper play", my shit doesn't feel the same no more.