Same as No Nut November, except it's now in December. Can be shortened to DDD.
Guy 1: Finally I completed No Nut November.
Guy 2: Get ready for Dormant Dick December.
Guy 1: Oh fuck! I forgot.
It's just like milky boba tea, except you replace the milk with breast milk
Person 1: Hey, do you want to get some booba tea?
Person 2: No, what the fuck?!