C/I 

C/I means Close Individual and is used in texts(mostly online) to write the world quickly.

I was with a C/I of mine
She was with a C/I of hers

C/I by ARGHHHGIVEMETHISNAMEOMGIAMGOIN May 11, 2024

C.I.

per the criminal justice system, C.I. is an acronym for criminal informant

"I'm gonna tell all the guys I know that you're a C.I. and a rat, and I know a lot of people." - Casey Affleck (Gone Baby Gone, 2007)

C.I. by zoeking March 28, 2010

c i

a slang term meaning ciggarrette used in street sub-vernacular native to the placer county area; more specifically, lincoln and roseville, CA

common pronounciations:
1.see-i
2.see-i-eeeee

1.bitch, you owe me a pack of c i's for running a train on ma hoe.

2.I bet you two c i's bitch let me supaman dat ass.

c i by spennyG December 11, 2007

C'i

A contraction between the two words, can and I, used when one is too lazy to say them separately, thus slurring the two together.

Similar to other contractions such as I'm (I am), wouldn't (would not), and they're (they are).

Other spellings include: kai, chi, ky, k'i.

Person 1: C'i have some of that sandwhich?

Person 2: Yeah dude, here's a neeblé (see Neeblé)

Student: C'i please take a nap?

AP Statistics Teacher: Only after you learn about Chi-Squared.

Person 1: C'i get yo digits?
Person 2: Bitch, please.

C'i by scoobgnarbler5 January 8, 2010

C.I.

Short for cigarette.

"Yo Dave, can my friend Aman bum a C.I., he's all out"

C.I. by Padin Alexander September 1, 2006

C.I.G.A.K.A.C.Y.M.I.L.F? 

Can I Get a kiss and can you make it last forever.
A popular saying from a Tyler the creator song

Collin: C.I.G.A.K.A.C.Y.M.I.L.F?
Maddie: the fuck does that mean

C.I.G.A.K.A.C.Y.M.I.L.F? by CripsyC February 28, 2022

C.I.S.V

Children's International Summer Villages

I went on a village to Italy with C.I.S.V in the summer of '93

C.I.S.V by firx February 24, 2007