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.
(..) Got bloody neighbours, man. What the fuck are you doing here? Do you know what time it is? We need to talk. I got this idea. Listen, I like this area. I don't want to piss anybody off. - All right? What do you want? - Yes. This. I want to join it. I want to be a part of this. Eastern Knights. (..)2014 The Dark Horse