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1.
cid
Slang for LSD (d-Lysergic Acid Diethylamide). It is a shortened form of "acid."
Hey man got any 'cid?
by Adam C. July 11, 2003
 
2.
cid
Escort term meaning 'Cum In Deep'.
The escort lets you cum inside her with no condom.
she loved it when i CID.
by i'm-rick-also December 12, 2008
 
3.
cid
Drug slang term for lsd, or "acid". Considered by myself to be one of the most useless and stupid terms because it is only one letter away from the actual name of the drug, duh.
Mike took two blotter tabs of that cid and was tripping out for 12 hours.
by d.roc December 29, 2006
 
4.
Cid
A guy who apears in every final fantasy game and usually has something to do with airships
Tidus: wow shit to much machina
Wakka: Cid better get his big airship butt down here quick ya?
by D-nd October 18, 2004
 
5.
lysergic acid diethylamide (LSD)
I asked my friend if she had a good cids connect.
by NatureLover111 October 10, 2006
 
6.
CID
Caffeine induced dump; caffeine induced download; caffeine induced defecation.
After a triple espresso, I need to take my morning CID.
by bigwalldave August 22, 2011
 
7.
contraction of acid. used in Emin3m's song my name is
Wanna copy me and do exactly like I did? (Yeah yeah!)
Try 'CID and get fucked up worse that my life is? (Huh?)
by rawyak December 25, 2011