extract the urine (out of someone or something)
To mock, deride, tease, or ridicule someone or something. A humorously polite alternative to the phrase "take the piss (out of someone or something)." Primarily heard in UK. It took me a while to realize that all her brother's bizarre questions about America were really just his way of extracting the urine out of me. Jeff's always extracting the urine out of the way politicians behave in public. It always takes foreigners a while to come to terms with English people's penchant for extracting the urine.
urine test
A test in which one's urine is analyzed for the presence of illicit drugs. The company makes everyone take a urine test at the end of the week. You're going to have to pass these urine tests if you want to stay out of prison on parole.