Council Housing Estate Mum
Look at the state of that C.H.E.M
by Yasta October 11, 2006
Top Definition
synthetically or semisynthetically created drugs that are used rereationally. basically man made drugs created in a laboratory or some clandestine drug lab.

examples include lsd, mdma(ecstacy), methamphetamine, heroin, pcp, ketamine, several research chemicals (2ci, 2cb, 2ct7, DOM, DOB, DOI, 4-HO-DiPT, DiPT, 4-HO-mipt, several pcp analogues including pcc, pce, tcp, just to name a few), and finally various pharmaceutical drugs such as dxm, benzodiazepines, and various synthetic opiods including fentanyl, hydromorphone, oxymorphone, hydrocodone etc.
I quit using chems a long time ago. Now all i do is smoke weed, and indulge in the occasional mushroom trip.
by psychonautical October 15, 2006
short for chemistry.
I have a chem lab in an hour.
by ShannonM September 09, 2005
Awesome, cool, or better than great
Dude, that is so chem.

Negative form: chemless
ex. You're chemless, man.
by a techie March 25, 2006
Naming something that is difficult.
This class is so chem.
Jeez, that was so chem.
by Ac3St4rz January 14, 2011
to mean yes,yeah,agreeing
person1: i like yer dont i?
person 2: oh chem :)!
by :)! November 27, 2007
the pasty gunk in the crevice of your ass when you do not shower for a few days

I scratched my ass, and there was chem on my fingers.

Go drink a bottel of chem you stupid asswipe.

by Kayla Thy Great January 09, 2007
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