Telling people you've slept with that you have an STD.
Harold: "I've been tested and I have Chlamydia. I'm just letting everyone know as I don't know how long I've had it."
Poland: "Are you serious!?"
Harold: "Happy Clapmas"
Poland: "Wow Harold, you're being a jerk."
by Madeleine MC December 14, 2009
Get the Happy Clapmas mug.