December 1st Share definition Flag the day all girls must send there boyfriend soapy boob pics to mark the end of NNN and the start of DDD. boy: "hey baby u know what day it is" girl: "yep, December 1st im sending them now" December 1st by ur..maw November 23, 2020 0 0 Get merch Get the December 1st mug. Buy Now — $32.95 See more merch