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usually pronounced "are ceez", the term is the plural of the letters of the acronym for research chemicals, q.v.

as a slang term this would refer to the classes of substances not yet scheduled by the DEA as dangerous drugs, usually and particularly but not limited to, the large groups of Tryptamine and Phenethylamine compounds known for their psychoactivity but that have somehow evaded explicit mention in the DEA schedule.

This list would include AMT alpha, 5-meo-DMT deemers, 5-meo-DIPT foxy, and other tryptamine compounds as well as phenthylamine compounds such as 2C-E, 2C-I, 2C-T7 and others.

It is perhaps worth noting that at one time in the past, drugs such as LSD-25, mescaline and MDMA had the status of "research chemical" for varying lengths of time before being used by the population with such frequency as to arouse the attention of the authorities.
q: what drugs have you done?
a: well ive taken lots of drugs. acid, real lsd-25 and just crazy wack blotters and microdots, who knows what was on them. shrooms of course. peyote once. of course i also love a good portion of the rcs: AMT was a personal favorite until it got scheduled.
by vincent black shadow March 06, 2005
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Feb 27 Word of the Day
From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.
"Ugh, I wish Reddit wasn't full of STEMlords the entire goddamn time."
by nopeidontneedanameok October 15, 2015
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2
usually pronounced "are ceez", the term is the plural of the letters of the acronym for research chemicals, see also rcs

as a slang term this would refer to the classes of substances not yet scheduled by the DEA as dangerous drugs, usually and particularly but not limited to, the large groups of Tryptamine and Phenethylamine compounds known for their psychoactivity but that have somehow evaded explicit mention in the DEA schedule.

This list would include AMT alpha, 5-meo-DMT deemers, 5-meo-DIPT foxy, and other tryptamine compounds as well as phenthylamine compounds such as 2C-E, 2C-I, 2C-T7 and others.

It is perhaps worth noting that at one time in the past, drugs such as LSD-25, mescaline and MDMA had the status of "research chemical" for varying lengths of time before being used by the population with such frequency as to arouse the attention of the authorities.
q: got any more of those rc's from last month?
a: naah man the government started scheduling whole classes of rcs about three weeks ago after some toad dipped his finger in the bag and died of an OD. now the chemists have started exploring the dreaded benzene ring in search of new variations.
by vincent black shadow March 07, 2005
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3
Raging Cunt Shannon.

A syndrome that causes moodiness/ bitchyness. Possible causes include having the name Shannon and possible lack of sex for a very long time.
UH OH RUN RCS JUST WALKED IN

Everyone left the room because RCS was there

They lost because RCS played
via giphy
by Samre September 12, 2019
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4
Rubick's Cube Syndrome. Characterized by obsessive solving and intrest in Rubick's cubes and other involved puzzles. See also, crazy
The kids at school that have RCS are considered nerds.
by Lydia January 20, 2004
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5
acr. (medical): Reverse Camel Syndrome is a disease contracted by the excessive playing of MMORPG's. The afflicted person's bladder will expand, forsaking their need to urinate regularly. This is replaced with longer urinations, but in some severe cases, urinating only once per day.
"I went to the toilet and it was like, severe RCS. I'm talking like, five minutes... Mind you I had been playing everquest all day."
by Methulah May 22, 2005
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6
Raging Cunt Syndrome. The state of complete bitchiness due to hormonal imbalance and/or lack of a good fucking.
My wife is experiencing total RCS right now because that girl eye-fucked me.
by Devourthebacon December 24, 2016
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