A day in which men must masturbate and ejaculate according to the day of the month. For example, on the first of December, masturbate and "bust a nut" once. On the second, do it twice. On the third, three times. This continues until the 31st in which you will do it 31 times that day.
Where you finna nut so hard every day of december, the first day you gotta nut once. Then the second day twice and so on. By the end of december you wont be able to feel your left leg
Dude one: Dude its all about destroy dick December.
Dude two: yeah, im gonna beat my meat so hard i wont be able to feel my left legbro.