Short for the band "My Chemical Romance". (Also referred as "mcr")
A modern rock band best known for their albums "The Black Parade" and "Three Cheers for Sweet Revenge."

The band members are Gerard Way (singer) , Mikey Way (bass) , Ray Toro (guitar), Frank Iero (guitar), and Bob Bryer. (Drums)

Formed in 2001, and still rocking hard.
"I saw a My chem poster at the mall, but didn't have any money to get it."

"I totally wanted to go to that My chem concert!!!!!"

"My favorite band is defiantly My chem."
by MCR ROCKAH! August 07, 2009
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You: I have to take chem 135 next semester. Is it hard? Me: *heavy breathing* *starts crying* *remembers what's a nice GPA looked like*
by GodofTraps December 03, 2014
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A branch of engineering that is vital to the sucess of society. They are kindoff the bastard child of chemistry, mechanical engineers and industrial engineers.

They run the power industries, design plants and the processes that go on in them and the machines and measuring devices in them. They make plastics, pulp and paper, nuclear power, hyrdo, petrol, as well as clean the water and the air.

Chemical engineering involves lots and lots of calculus, thermodynamics, fluid mechanics, material science, electronics, physics and chemistry. We are the ones that decide if the vessel can withstand the pressure generated as the reaction takes place in the factory. If not, we find ways to fix it. It takes a vigorus course load and plenty of studying to compleate a degree in chemical engineering.
Chem eng ruined my life. My plant design project took all my time and energy.
by electrick February 02, 2006
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Acidic-like male semen caused by a diet of basically nothing but Takis and Mountain Dew.
I finally gave in and gave Mike some sloppy last night. I let him nut and my throat is raw today from his chem-nut. I told him to start eating pineapple or something.
by Imma Lickenit April 11, 2020
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A Slang term for LSD, typically refering to blotter paper, but may be applied to other forms of street lysergic acid diethylamide such as liquid or gel tabs.
Rob where did you stash the chem homework? This kid wants to Meet our Friend Lucy.
by Matt Schroeder April 26, 2008
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a shortend version that the band my chemical romanceuse to discribe themselves.
random interveiw guy:what are some of your new songs?

gerard way:well "my chem" are wrighting a new song at the moment.
by Joey black July 04, 2006
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British gay slang for sexual activity that involves the use of drugs and or intoxicants by either party.
"hey mate you up for a chem sesh"

"yeh lad but i don't do crystal"
by nunuboy January 09, 2010
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