A shit that leaves no mark on the bowl, no mark on the paper, and the shitter feeling completely satisfied.
Did you have a nice shit Jeff?
I had a fucking posh scot.
Say no more Jeff, say no more.
If you poo and don’t have to whipe, you have experienced a posh scot
«I hardly used any toilet paper at the loo earlier»
«Why is that?»
«I had a posh scot!»