A redneck girl was dating a fellow in Pennsylvania named Clarence. They got into a huge fight and she told her two brothers (Billy Bob and Billy Jim) about it. They jumped into their pick-up truck and headed to Pennsylvania to settle the score with Clarence. They reached teh state line and after passing under an over-pass, Billy Bob made a quick U-turn and headed back home quickly. Billy Jim asked why he had turned around.
Billy Bob replied, "I ain't messing around with that dude. Did you see that sign back there? 'Clearance 14 feet 8 inches.'"