When your girlfriend lives at least 200 miles away, gives the other partner ( male or female ) the ability to make out with whomever they choose with no repercussions from their partner. However, they cannot go farther then making out, that would enact the 300 mile away clause.
Friend: Dude you just made out with that chick! You have a girlfriend !
Guy: Its okay man, 200 mile clause.
Guy: Its okay man, 200 mile clause.
by ABCD2017 February 24, 2014