A term from the twisted cartoon game: Bendy and the Ink Machine. This is most commonly seen on the walls of the vast Joey Drew Studios, and loosely said by the former music director turned Ink monster/insane Sammy Lawrence.
On October 15th is basically where you and your gf/bf/wife/husband /sneaky link what ever they are too you get to have $ex at anytime you want meaning if the person is horny they have $ex even if the other person isn't.
