This game is a spin-off of the traditional “ugly Christmas sweater” competition. Invite the teenagers to wear their ugliest Christmas sweater for this competition, but ramp it up a notch by supplying the teenagers with additional Christmas decorations that can be pinned, taped, or otherwise applied to their sweaters. Create additional categories for the ugliest sweater competition. How about the most outrageous, the weirdest, the funniest, the most creative . . . and then take a vote to see which teenagers get the prizes.