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Malapropism of "flabbergasted": dumbfounded, amazed, stunned with surprise.

SECONDARY DEFINITION: a lazy and ineffective flagman at a highway construction site.

ORIGIN (all true): Early 20th century, Marie Natale Martini of Queens NY, an Italian immigrant who exclaimed she was "flaggerbastard" upon seeing the Statue of Liberty for the first time. For sixty years, no one corrected her; it was just too funny.
See "origin" of flaggerbastard listed above.
by Professor Al July 07, 2009
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