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.
(..) I don't expect we'll ever see each other again. I wouldn't be so sure. A few years as Hand of the King would make anyone want to piss off the edge of the world. I wish there had been another way. Can you forgive me? The North is free, thanks to you. But they lost their king. (..)2019 TvShow: Game of Thrones Title: The Iron Throne Season: 8 Episode 6