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This term is used too show exasperation or annoyance. It is derived from the carnal desire to growl, with the addition of the suffix "age".

It rhymes with the word "courage", but to pronounce it properly you must stress the first syllable so that listeners can really hear the "grr".
"Oh, Eleanor, we have an Aural Skills exam tomorrow. Gurrage!"
by LaDiva September 24, 2009