The sales clerk is 'pissing' us 'around' [=('US') 'jerking us around']—he keeps saying he'll help us, but we've been waiting for 20 minutes!
He says he has to 'take a piss'. = ('Brit') He says he has to 'have a piss'.
It's time we stopped 'pissing about' [='fooling around'] and got busy.
(..) Going faster, higher... I had it all with paragliding. I got higher, could see everything. And breathe. I was raised with the conviction I was good enough to piss on the whole world. I'd like to drink something. My mouth feels dry. That's one of the side effects when you smoke weed... (..)2011 The Intouchables