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Acronym that stands for "Weekend Of No Inhibitions". WONI is a state-of-mind one must undertake during extremely fun "friend only" weekends (Note: If significant others are involved then achieving the appropriate state-of-mind is virtually impossible). Pronounced as follows - wah-nee.

"WONI" can also be used to describe an extremely entertaining all-weekend event or a person's particularly fun behavior at said event.
ENTERTAINING ALL-WEEKEND EVENT
Guy 1: This bachelor party is gonna be awesome. We are gonna drink a ridiculous amount of booze, dominate the Blackjack tables and make it rain at the titters.
Guy 2: No doubt. This weekend is gonna be WONI.

PERSON'S BEHAVIOR AT EVENT
Guy 1: Did you see Tommy take three shots of tequila and then make out with some random girl, all while getting a lap dance from some Russian stripper?
Guy 2: Yeah, that was so WONI.
by mandingo0218 August 21, 2008
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Apr 24 Word of the Day
A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.
“Dude, his stuff is pretty out there but he’s still pretty Finance Punk.”
by Pop Pop Bienstock April 01, 2021
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2
A penis attached to any person who identifies as a woman, effectively a “woman penis
Hey, I heard Dan grew his hair out and wants to be called Danielle. Do you think she still has a wonis?
by Kaloga September 06, 2018
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3
WONI can best be described as the two sweetest people in the world. They are meant to be as one. Walker and Toni are WONI. The one and only. #couplegoals
Did you see WONI at the prom? Yeah, like they lit the room up.
by Zippy January 07, 2017
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