My grandmother used to tell of this white man theat lived in their community that was just a bit off of his rocker. He used to flag down the train, waving his arm back and forth in big waves---and the man would stop the train--and he would say " You wanna buy a possum?" And that conductor would get so mad, " you mean to tell me that you stopped this train to see if I wanted to buy a possum?"!" The old man would shake his head, " Now now, don't get upsot (mind you his word, not mine) I haven't even catched him yet." Ha.