A generally derogatory term for residents of Big Horn County,
Wyoming. Counties in
Wyoming are represented as the first number on a
Wyoming license plate. Big Horn County is represented as the number "9."
"Why in the hell is this
person driving 25 in a 45 mph zone? Ohhh, of course; it's a
fucking Niner!"
"Wait, so you grew up in Big Horn County? Let me ask you something that has been pissing me off since I moved here four years ago; why do Niners drive so
slow? There is no excuse for it!"