Biannual Santa Claus Share definition Flag Someone who comes down your chimney twice a year.i.e. a sexual encounter that happens twice a year. Biannual Santa Claus comes but twice a year. Biannual Santa Claus by JohnnyBlueEyes November 23, 2011 0 0 Get merch Get the Biannual Santa Claus mug. Buy Now — $32.95 See more merch
