to have a slash, to take a piss. Named after famous Australian tennis player and Wimbledon winner, Pat Cash.
I'm just going to nip in to the dunny and have a pat cash.
by hot-dog August 25, 2007
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In some British dialects it’s a code word for Hash (marijuana)
Oh boys, shall we get some Pat Cash for Friday night?
by HornDoggyDawg July 16, 2022
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