The day that black people supposedly awaken to their "Real DNA" and allows them to unlock superpowers caused by the alignment of Jupiter and Saturn.
Black Person 1: Which superpower is you gonna December 21?
Black Person 2: Welfare checks
National Chug Day: You have to drink every single drink as fast as possible, you get slapped if you don't.
boy 1: *slaps*
boy 2: WHAT WAS THAT FOR!!??
boy 1: its 21 december dawg