M mac-a-licious Guest Jan 14, 2009 #2 I would assume it's a British raincoat made out of plastic rather than waterproof cloth.Charles MackIntosh was an inventor who developed a waterproofing method and as a result the British refer to raincoats as Mac's or MackIntoshes.
I would assume it's a British raincoat made out of plastic rather than waterproof cloth.Charles MackIntosh was an inventor who developed a waterproofing method and as a result the British refer to raincoats as Mac's or MackIntoshes.