A Natchez Steamer is when someone stands on the walls of a stall in a public bathroom allowing their poop to travel roughly 6-7 feet before splashing down in the landing zone (toilet)
Did you see graham drop that Natchezsteamer, it was cool but his poop was the size of a small raisin.
Person 1: I had a pint this evening!
Person 2: thatchers?
Person 1: natch!
Person 2: natchers ;)
*an hour later*
Person 1: *realises the pun whilst showering*