BTW, Katherine, it just dawned on me that you don’t necessarily have the cultural reference to realize that “knucklehead” is not a particularly strong word. We knuckleheads are not chronically stupid but we are prone to acute bouts of recurring absurdity. We sometimes do things like search for the hat that is sitting upon our heads. We native Americans are rather fond of mild insults that are almost “terms of endearment” and have many “cultural references” that just don’t work with those who don’t share it. Stuff like, “‘splain it”, or “bang, zoom, to the moon”. We know knuckleheads when we see them, but you might not