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1.
To piss in the sink, usually by a man at a bar or saloon when the line to the urinals is too long.
There was a huge line at the men's room and I really had to take a piss bad, so I went Wisconsin Style.
by LoToMojo January 31, 2010
 
2.
To bring your own coozie to a bar.
We knew they were Badger Fans as they were drinking Wisconsin Style at the bar.
by flyhalf32 August 04, 2008