Base 2.5
It refers to a point in the base system between 2nd base and 3rd base. It is dry-humping. It has always seemed more than simple groping but it is less than the handjobs/blowjobs of 3rd base. Dry-humping now has a definite place on the base system.
guy1: hey, y'know the base system?
guy2: yeah?
guy1: wher does dry-humping go?
guy2: base 2.5
guy1: ok cool thats good to know
guy3: you guys are fucking retarded
guy2: yeah?
guy1: wher does dry-humping go?
guy2: base 2.5
guy1: ok cool thats good to know
guy3: you guys are fucking retarded
Base 2.5
Base 2.5 uses powers of 2.5 for the numbers, it is considered binary and Base 5 at the same time.
Oh look! Base 2.5 isn't used! What a bad day!