English

Verb

extract the urine ‎(third-person singular simple present extracts the urine, present participle extracting the urine, simple past and past participle extracted the urine)

1. (idiomatic, humorous) to mock, make fun of something
   • 1997, Des Ryan, “Close brush with hairafter”, in The Messenger: Selected Columns from Messenger Newspapers, 1993-2003, Wakefield Press, published 2003, ISBN 9781862546134, page 42:

     Now, Merilyn is neither bizarre nor eccentric in the ordinary sense but when she started talking about the ‘presence’ in her shop I thought she was extracting the urine.

   • 2016 August 19, "BigAl", “Re: fare thee well”, in alt.music.leonard-cohen, Usenet:

     Actually Connie it refers to the way we extract the urine out of the apparent social differences between each country.

   • 2006, Tyne O'Connell, Dumping Princess, Bloomsbury USA, published 2007, ISBN 9781599901503, page 34:

     This is what the English do; take the piss (or as we say at school, extract the urine).

Usage notes

This is a humorously "polite" way of saying take the piss.