Slip the holiday nogg with your own variation on the Griswold family and Cousin Eddie when you enjoy your holiday spirits this year in these officially licensed National Lampoon's Christmas Vacation Glass Moose Mug with Light.? Spike the holiday nogg this year and make it a truly festive evening when you enjoy your spirits in these funny National Lampoon's Christmas moose eggnog glasses keep your holidays bright and festive - so you don't feel like one of Santa's tipsy elves on Christmas eve.