1. (British & Australian very informal) to make a joke about someone or to make someone look silly (often + out of ) They always take the piss out of her because she's a Barry Manilow fan. 'You should wear miniskirts more often - you've got the legs for them.' 'Are you
taking the piss?' (British & Australian very informal!)
2. (British & Australian very informal) to treat someone badly in order to get what you want Four pounds an hour is
taking the piss. £50 for that old thing? That's just
taking the piss.