My Dad used to say it a lot when he was speaking of someone who was what he considered totally stupid.
No: There isn’t much reason to do it, but obviously it would be pretty simple, Just go around something dead and capture a buzzard and bell it.
Just so you can expand you lexicon with some southwestern flavor, we would say about that same kind of person that they don’t have sense enough to pour piss out of a boot. I think it would certainly apply to both McCain and Biden.