Top Definition
The act of being really lame and leaving your best friends hanging for a really bad reason.
Dude, don't douche out on me.
by Medianoche April 28, 2007

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To rinse; usually with fresh water.
Hey Norm, don't forget to douche out that carafay before you start a new pot of coffee!
by Telephony July 17, 2014

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A contest between two douches to discover which one is most douchey.
Ben Affleck and Matt Damon in the film Dogma performed a doucheout (Affleck won... Affleck always wins, except at life and acting).
by bunnymessiah June 29, 2009

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