Billy-Bob and Bubba were sitting in back of their trailers shooting the breeze.

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

Bubba scratched his head for a bit then said, "I don't think so...
.....but it would sure make us even....