A nonsense substitute word used when you don't know the proper term for something or simply can't remember it. Derived from "Who'd have thunk it" and "what's this?".
My car broke down and Dad has to repair the whodathunkitwhatsis to get it running again.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi
May I have an order of regular degular buttermilk pancakes? Without all the added jazz? Hold the blueberry smiley face, strawberry glaze, chocolate chips and whipped cream.
Usually a male who likes to encourage weight gain in his partner through the consumption of food. Feeders differ from FAs... whilst an FA is attracted to biggirls, a feeder gets turned on by making a thin girl fat....or a big girl even bigger.