Short for What The Fuck Would Jesus Do For A Klondike Bar. The illegitimate child of WTF (What The Fuck), WWJD (What Would Jesus Do), and What Would You Do for a Klondike Bar, from the Klondike bar commercials. Used as an adjective for a type of question, usually an All-Consuming question. Usually accompanied with an -ing suffix.
Jim: How big is the universe?
Ted: Stop WTFWJDFAKBing. It pisses me off.