a term used to say to a person if they say something dumb
Person* Hey, did you know that The Rock isn't actually a rock!
Me* WELL DOI!
by THE_SMARTEST_PERSON_ONLINE January 18, 2015
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like saying duh except kewler.
"Did you know that Kacey is going out with Anthony"

"doi"
by guitar chick September 29, 2008
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Doi is about being true to yourself. It's about being fearless. It's about being curious about just about everything...about life. If you're a doi, you will stand before a tree and be curious about its life and the life around it and not just congratulate yourself for identifying it and walk away. Doi is being in an eternal state of undisturbed joy.
You're such a doi! It's always fun to be around you.

Be a doi. Don't be so reflective when you're delivering a session.
by winnabledeedee September 5, 2019
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Derivative of Chinese, doi or doiya. As used in Chinese, doi doi doi. Meaning 'of course, of course, of course.' Translates into English useage as 'Yes, of course,...that's stupid that you didn't know, or that I didn't know it.'
by JTH June 21, 2004
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A term used to adress a comrade, when a complete "dude" seems like overkill.

*pronounced all the way from doy to doo
"That's hella funny, doi."
by Burl Sonny August 20, 2006
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