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Australian slang for a car's transmission, especially a manual (or standard as the Seppos call them).
If I put a 2 litre donk and a 5-speed cog swapper in my Renault 12, it will go like shit off a shovel.
by Choda Boy 57 August 22, 2006

Words related to cog swapper

donk seppo shit off a shovel renault 12 tranny