reverse puritan
a person outraged at those not prepared to forget everything and party.
Jim: "Hey, did you hear about the party at Dave's house tomorrow?"
Mike: "Sorry, but I'm busy then. I have a lot of work to do."
Jim: "What?!?!"
Mike: "Ugh, another reverse puritan."
Mike: "Sorry, but I'm busy then. I have a lot of work to do."
Jim: "What?!?!"
Mike: "Ugh, another reverse puritan."