If you still live at
home or already moved out and are supported by your
parents, they can be affectionately reffered to as your "'rents" as an abbrevaition for your pa'rents / those who
literally pay your rent.
"No, I'm not going out with
Barbara tonight, the 'rents are taking the whole family to
dinner in
London" or "John: "Can we borrow your family car for the trip down to Bognor Regis?" Me: "I'm not sure, but let me ask my rents and then get back to you ..."