Spudtatoes. The hybrid between the common spud and the potato. A mistake that evolved into one of those clever made up words that no one gets.
person 1: I'm going to the market, want anything?
person 2: Yeah, ahhh. Can ya get some spudtatoes for tea?
person 1: Don't you mean potatoes?
person 2: Isn't that what I said?
person 1: No..
person 2: Classic
*both dissolve into a fit of giggles*