Top Definition
As uttered by Rowan Atkinson in the film 'Johnny English' after accidentally injecting himself with a paralysing serum. A sound made in response to total incomprehension to a statement or series of statements or questions directed at that person immediately beforehand.
After a complicated lecture by a physics teacher, the question is asked "What is x?" The response to which is "Phlabb?"
by Mr Quote Sarcastic Unquote December 27, 2008
5 Words related to Phlabb

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