Moron's equivalent for undoubtedly. Coined by Simon Cowell and used by him on a weekly basis on xfactor.
Louis: You made it your own, you have the likeability factor, you remind me of a young Chesney Hawkes.

Simon: That was undoubtably the greatest performance of "you Raise Me Up" since Westlife. You gave it 100 million percent.
by onthinice November 04, 2009

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