1 definition by David Dickson

Top Definition
(Also known as a "Mac") A raincoat (the first) named after Charles Macintosh, a Scottish chemist who in 1822/23 patented a method for making waterproof garments using rubber dissolved in naphtha.
Its raining cats and dogs outside lucky I brought my Macintosh.
by David Dickson September 15, 2005

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