The crude act of excreting hot faecal matter freshly squeezed out of the balloon knot of a Roman gypsy or equivalent, then placing the faeces between the breasts of a willing participant, then pushing the breasts together thus harnessing the power of a Toasted Roman Sandwich (aka TRS)
John: Hey bra I just smashed out a Toasted Roman Sandwich
Frank: Whooaaa, a TRS??, how did it go mang?
John: Messy holmes!