V to behave in a casual or silly way 胡闹
Some people moan about customer service in Shanghai, but I found one caf é near my workplace which actually thanks you if you take the piss out of them!
有些人常常抱怨上海的客服，可是我发现我工作的地方旁边的一个咖啡馆，他们会感谢你如果你拿他们开玩笑！
I just bet them 500 apiece that I could piss on your bar, piss on your floor, on your phone and piss on you and not would you not be mad about it, you'd be happy.
我跟他们每人赌了500块，赌我可以尿在你的酒吧里，尿在你的地板上你的电话上还有你身上，而你不但不会发火，反而会很高兴。
It sounds like in my head I feel like I have all these things to piss and moan about.
听起来就像我攻击了我脑海里想攻击的所有事情。
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