Bubba and Billy Bob were sitting on the tailgates of their pick-ups shooting the breeze.

Bubba asks Billy Bob, "If I snuck ovah to yore house while you wuz out fishin an' made love to your wife, and she got pregnant, would dat make us kin?"

Billy Bob scratched his head for a bit then said, "I don't think so.....
but it shore would make us even!"