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Mannheim Mafia 

A shady, underworld organization started by American military members in Europe. So named for the possibility of ending up in Mannheim, the main military prison in Germany, run by the US Army.
Don't fuck with that guy, I hear he is Mannheim Mafia
Mannheim Mafia by el jefe June 11, 2004

Mannheim development 

The instrumental development in a song or piece of music. Most commonly at the start, instruments will slowly be introduced the more the song/piece goes on.

First pioneered by the composers of the Mannheim orchestra some time in the late 19th century the musical discovery has been used a lot in pop, rock, classical and other music genres.
"The song starts with a Mannheim development and then gets into the main melody."

Mannheim Steamer

sexual position in which she is listening to Mannheim Steamroller on her iPod while you shit in her mouth
Man, I thought it couldn't get hotter in there, but then she let me Mannheim Steamer, and I was like, wow!
Mannheim Steamer by eddiefiv May 14, 2013

Mannheim Steamroller 

Originating in America, a Mannheim Steamroller is a sexual act that presents itself as having German roots. This act can be between a man and a woman or, in some cases, two men. The receiving partner first defecates while neglecting to wipe. After that, the man initiates anal sex, using the fresh poo as lubrication. As the grand finale approaches, the man pulls out and "rolls" his member on the upper lip region, leaving a streak of poo and semen, slightly resembling Hitler's mustache.
Man: during the holiday season, I love to give my girlfriend the gift of Mannheim Steamroller.

Friend: you mean that lame musical group?!?

Man: hell no! I mean THE Mannheim Steamroller - the single greatest sexual act in the whole wide world!
Mannheim Steamroller by ColfaxSteamer December 20, 2009

Mannheim Steamer

the act of pooping on ones chest while playing an, electric organ or piano, or any synthesized instruments, while rolling the feces up and down on the said ones chest.
person 1 "why do I hear mannheim steamroller's christmas special playing upstairs?"

person 2 "Oh, thats just Craig, he likes giving mannheim steamers to people for the holidays"
Mannheim Steamer by malparida December 1, 2010

Mannheim Steamroller 

Similar to the Stairway to Heaven, but instead of rusty trombones up and down the staircase, it is a daisy-chain of people doing Cleveland Steamers on each other. Extra points if you can work the staircase in sequence.
It was so intense last night, there was a Mannheim Steamroller up and down the staircase!
Mannheim Steamroller by oso31 December 7, 2006
More from Urban Dictionary

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026

Respectfully 

Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.

After school, The Modells on Jamaica Ave was active. Respectfully.
Respectfully by john quan the first December 20, 2020
Word of the Day on September 26, 2026

You met me at a very Chinese time in my life

A moment in time where you feel distinctly Chinese over all other things.
Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."
Word of the Day on September 25, 2026
Adjective. Used to describe persons who have adjusted or altered their lifestyle for environmental reasons. Crunchy persons tend to be politically strongly left-leaning and may be additionally but not exclusively categorized as vegetarians, vegans, eco-tarians, conservationists, environmentalists, neo-hippies, tree huggers, nature enthusiasts, etc.

Also used to describe establishments where alternative foods and products are sold, i.e. natural food stores.

Modified derivative of granola.
"I need more crunchy guys in my life. I'm so tired of dating preppy metrosexual assholes."

"I'm heading out to the crunchy store to pick up some fair trade chocolate and tea tree oil, do you need anything?"
crunchy by EBC July 11, 2007
Word of the Day on September 24, 2026
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