Duck, duck, Grey Goose was mine (I think). I'm sure Z played a round or two with me though. Or maybe she did invent it and I got so drunk I forgot that bit... 
Oh, and heads down, thumbs up is that kids' game (I teach the brats, remember?) where everyone shuts their eyes and the folk who are "in" have to go around and squeeze someone's thumb, then the squeezees have to guess who did it - you guess correctly and you swap places with the squeezer.
Drink coffee and do stupid things faster with more energy.