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.
(..) - Ow! - Relax, Bridezilla. So, as your bridesmaid, I'm supposed to come hold your dress while you... you know, piss and . And I'm clocking you in at three hours since your last pit stop. Um, I-I'm good, thank you. Yeah. For me, now is kind of perfect, (..)2017 TvShow: Superstore Title: Cheyenne's Wedding Season: 2 Episode 20