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UIC notation for a locomotive with two bogies with three axles each, all powered by one motor in each bogie.

Also railway slang for a broad with nice big boobs and nice ass. Bo'Bo' is a more modest.
Two rail enthusiasts are waiting for the train, drunk after a party.

Rail enthusiast 1: Dude, check out that Co'Co' over there! I'm gonna hit on her

Rail enthusiast 2: Yeah, you do that while I feel up this Bo'Bo'
Co'Co' by gschjetne July 14, 2005

Co Co County 

Contra Costa County usally refering to tha 925.
Where you from?
Tha muthafuckin' Co Co County!
Co Co County by Jizzo Fortanel January 22, 2004

co co puffs

When you sprinkle cocaine onto marijuana, either in the form of a bowl or joint , blunt, spliff or what have you.
" Man, I didn't know till after we puffed that blunt but that sketchy hoe sprinkled the ye on that herb man, them co co puffs really fucked my ass up and not in a wholesome good way, stimulants are nooooo good bro."
co co puffs by The Supavillian March 13, 2008
Code word used by teenagers to warn their friends to leave the room while with their gf/bf. Useful for cockblocks who don't take normal hints to leave.
*making out with girlfriend* "Hey man, Co Co Mo."
"She's gonna let you hit it?"
"Hell yeah! Now get the hell outta here!"
Co Co Mo by Joe-E November 9, 2008
CO-CO'd: A new hire who has been canned.
"Dude, you still working at that start-up: "Negative, I've been co-co'd."
co-co'd by Goddess P January 27, 2010

co co puffs

when crack is sprinkled on weed to REALLY fuck you up.
yo i smoked the finest shit last night with co co puffs on it
co co puffs by fuckshitbitch October 11, 2006
More from Urban Dictionary
Basically the same meaning as ate.
x:"Girl your fit chewed today!"
Chewed by iod1o March 30, 2022
Word of the Day on October 19, 2026

Blue Movie 

A pornographic film.

The use of the word "blue" to refer to sexually explicit content was first recorded in Scotland in 1824. "Blue" meant "lewd" because prostitutes dressed in blue gowns.
I found your stash of blue movies under your bed.
Blue Movie by Shayde79 January 20, 2011
Word of the Day on October 18, 2026

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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