Unknown President’s Day is similar to President’s Day, but specifically only for the ones that are pretty much never talked about. Like James Polk, James Garfield, James Buchanan, etc. Unkown President’s Day is on November 30th.
1) A point of exploration in a relationship in which one does not know whether they want to be with their partner anymore.
2) A less harsh way to say "a break"
3) Allows for doubter to make out with other boys.