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Koi fish 

A type if colored carp . They're way too expensive and a part of Japanese culture.
What a pretty koi fish

I am a koi breeder
Koi fish by BrineShrimpy December 15, 2017

Koi Fish 

A Koi Fish is a man who gets overly attached to a girl and refuse to leave her alone when she has no interest in him. They generally become psychotic and ruin their friendships because of this. Some of them try to ruin their targets lives.
Girl1:"This guy won't leave me alone and just doesn't stop trying to ruin my life"#
Girl2:"Classic Koi Fish"
Koi Fish by Notamine December 15, 2017

Koi Fish Tattoo 

In Japan during world war II a group of homosexuals got the Koi Fish tattoo on their left arm. Now commonly used in Japan and America as a more verbose way of letting people know their sexual orientation.
Person 1: "My friend just got a Koi Fish Tattoo on his arm."
Person 2: "So how long have you known?"
Person 1: "He has been out of the closet for a couple years now."
Person 2: "Good for him."
Koi Fish Tattoo by Ecanori February 4, 2010

cracked like a koi fish 

While being cracked out of your mind yet still performing. Similar to how a koi fish swim in a small pond cracked out of its mind but still performing.
Som’ shit Brad says

Or
Fuck boi you are cracked like a koi fish.

Or
Bro I was watching reel rock and I was cracked like a koi fish.

Koi fishing 

When 2 people suck each other's toes 69 style. References those cliché koi pictures where each fish's mouth is by the other's tail.
Those freaks were caught koi fishing in the attic!
Koi fishing by MaverickSquad May 18, 2023
Deceiving someone via social media or dating site by posting/sending pics or videos that are very old and
don't represent the way you currently look.

Koi's are the longest living fish. They have been reported to achieve ages of 100–200 years. - Wikipedia
Fuck man I got koifished on POF. That chick I met the other night looked hot on her profile pics, but when I saw her she looked 15 years older and had gained alot of weight.
Koifished by foxaguilar August 21, 2018
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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