What is Fifteen And Five?
1.
A warning given to a person at fifteen minutes, then five minutes, before you are due to do a task or go out.
Her: "We're going round my mum's soon".
Him: "Can you give me a fifteen and five?"
Her: "It's time to go out and you're not ready!"
Him: "You didn't give me a fifteen and five!"
Boss: "We've got a meeting later. Don't worry - I'll give you a fifteen and five."
See