1 definition by drinkdrankstank

Top Definition
A martini made with gin and dry vermouth garnished with a miniature, pickled onion. A spoonful or two of the brine/juice from the pickled onion jar is then added to make it dirty.
He went in for kiss and got his ass smacked thanks to his nasty onion breath from the dirty gibson he was drinking.

Mel Gibson prefers to drink several dirty gibsons before going on drunken, anti-Semitic rampages.
by drinkdrankstank August 03, 2009

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