It refers to when a friend becomes more than just a "friend". It is really a city in Arkansas'
dry Clark County, Arkadelphia is the next exit after another
small city in Arkansas Called Friendship, when coming from Little
Rock. The city itself really doesn't have a whole lot to offer. "Just past Friendship is Arkadelphia"
Jed "How was your data last night?"
Billy
Bob "Pretty good, made it to Arkadelphia."
Jed "huh?"
Billy
Bob "Yeah
Buddy, it's just past friendship!"