Posh piss 

Posh piss - when a man sits down on the lav and has a luxurious piss

"one sec babe I'm just having a posh piss "

Posh piss by Wellsy and LeeBoy November 28, 2019

Posh Piss 

The act of a male sitting to pee, ending in a poop 50% of the times.

- Why did you took so long in the toilet?

- I took a posh piss to rest my legs a bit.

Posh Piss by wellffshit August 24, 2017