To be essentially fucking with someone or to be condescending to someone by implying that they are stupid.
Refers to when someone says "Don't piss in my pocket and tell me its raining, jerky..."
Tom: "Thanks for the CD, I like rap music.."
Sue: "Are you taking a piss?"
Tom: "No, not at all. I really do like this CD. Thanks
a bunch...really."
By Martita
Taking A Piss
Phrase used it the UK to describe the action of taking advantage of the situation, in particular at work. Basically putting the least amount of work possible without getting sacked. The UK English equivalent of mailing it in in US English.
Q: Where is that damn capacity report, Tara should've been done 2 weeks ago?
A: Tara is taking a piss.