A Minnesotan who relocated to Wisconsin gets called a mud duck, and wants to know why. Much in the way Wisconsinites get referred to as cheese heads, it’s really a harmless bit of nomenclature from a cross-state rivalry. In hunting, the term “mud duck” has also been known to mean a mixed kind of species. Unfortunately, “mud duck” has popped up in odd corners with negative racial connotations. Still, most people using “mud duck” mean it simply as a friendly jest. This is part of a complete episode.