extracting the urine

Polite/alternate/ironic version of to "take the piss".

I thought he was extracting the urine, but he was being serious.

Star Wars Day

Traditionally, May 4th, of any given year.

"Happy Star Wars Day"

"What the hell? Its the May the Fourth"

"Yes, and May the Fourth be with you!"

taking the mickey

Derived from Cockney Rhyhming Slang - Taking the Mickey Bliss - piss

A very British way to ask if someone is taking the piss - ie making fun of you.

Trudy - I love your new trousers!

Judy - Are you taking the mickey?