This is a name that you call a person when they have said/done something really stupid. You call them this when they have royally fucked up.
Dumb Person: "I hate black people."
You: "Randalawn Branin, what the devil did you just say? That was extremely racist and stupid, never say that again!"
Dumb Person: "I guess your right, that was a real Randalawn Branin thing to say."
