take the mick/mickey (British & Australian informal)
to make people laugh at someone, usually by copying what they do or say in a way that seems funny
They used to take the mick out of him because of the way he walked.
I thought you were being serious - I didn't realise you were taking the mickey. (British & Australian informal)
It's used throughout the commonwealth
Wot? £5 for a pint of beer? Are you extracting the Michael?