that period between Christmas and New Years. When you still think you should be on holiday because you really can't start anything new because you are saving it for the new year, kinda like Pergatory, but with booze and better music!
Celebrated with Decembertory Pie, phesant, beet pudding, and the wearing of red lingerie
It's Dec 28th, why aren't you at work? Because, it's Decembertory