1 definition by Rachel_riley30

Top Definition
When the clock on Countdown starts, you start wanking. The objective is to complete before the clock hits zero. If you get a 9 letter word during the process you ejaculate immediately.
Wankdown COMMENCE 30...29...28...27...26...25...24...23...22...21...20...19...18...17...16...15...14...13...12..RECONVERT...EUUUUGHHHH
by Rachel_riley30 June 01, 2011

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