When wiping your arse you accidently spread some shit onto your gooch, (this often happens when using a cheap brand of toilet paper) therefore you have poo on your gooch creating the word POOCH to describe this action. The gooch is the bit of skin between the ball sack and the anus.
A long lostmate who moves to the Gold Coast to become a full time faggot, Posting shitty bar tending and food trends along with gay selfies on social media.
Pissy 1: Ohh man we should definitely take some selfies of us looking suave before we go out
Pissy 2 : don't be a fucking pooch bro.