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Oiyo. An acronym for "Only In Your Opinion" (Used when you don't agree with someone else's opinion). Specifically used when someone comments on something or says something about someone else.
Hey the falafel here is pretty good.

oiyo.
oiyo by Enigma4422424224 December 26, 2013
Only In Your Opinion
dude1: Yo man that chick is so fine!
dude2: oiyo
oiyo by THeXOneXTwentyX July 7, 2010

Oiyo Boiyo 

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if u use this word u are a gaming god
only used by gaming gods, and only gaming gods. If u are not a gaming god and you use the term "oiyo boiyo" you will be excecuted.
Oiyo Boiyo by Gaming God Sylo_ February 22, 2022

OIYOYOIII 

OIYOYOIII means a powerful, strong thing, if you’re an OIYOYOIII you’re not a female or male you’re OIYOYOIII, if you’re OIYOYOIII you’re not straight or lgtbq-+ you’re OIYOYOIII. It’s kind of a slur if you’re not OIYOYOIII you can’t say it. There is a leader of OIYOYOIII, their name is OIYOYOIII. OIYOYOIII’s like exotic animal like reptiles and that stuff. And in short words if you’re an OIYOYOIII you’re basically the best or / part of.
Wow she’s such an OIYOYOIII

She’s an OIYOYOIII queen
OIYOYOIII by OIYOYOIII September 15, 2020
More from Urban Dictionary

fache-couture 

French slang, which translated, means "bull's fashion" but basically equates to "hyper trendy" or overly trendy. Used when a person wishes to express distaste at the latest fashion trend/fad, because it seems that everyone has a certain item of clothing or is wearing it. This term is most frequently heard in Paris but is slowly spreading to other parts of France.
1. That Burberry scarf is so fache-couture.
2. That purple American Apparel hoodie is so fache-couture.
fache-couture by bkgmh46x0x March 18, 2008
Word of the Day on October 17, 2026
A slang term for GLP-1 medications(like Ozempic, Wegovy, Mounjaro, etc.), usually referring to their appetite-killing, weight-loss, or “I forgot to eat” effects rather than the medical details.

Usage:
* Often casual, ironic, or meme-y
* Can imply effortless weight loss, suppressed hunger, or being “powered by pharmaceuticals”

Notes:
Not a brand name—just shorthand for the whole GLP-1 wave. Frequently shows up in online jokes, gym talk, and group chats where people pretend they’re *totally* doing it naturally.
“I’m not dieting, I’m just on that glippy.”
“Ever since the glippy hit, food feels optional.”
“That summer body? Yeah, glippy assisted.”
Glippy by Wild Stoner Appears December 14, 2025
Word of the Day on October 16, 2026

fauxstalgia 

Faux nostalgia. Faking old things in an attempt to recapture the feeling of times gone past, especially of technology that has passed.
Hipstamatic pictures, just like the vinyl-static added to digital recordings, is prime fauxstalgia
fauxstalgia by scotte61 December 16, 2010
Word of the Day on October 15, 2026

pajama casual 

Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.
pajama casual by jrod-knows March 31, 2020
Word of the Day on October 14, 2026
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