CSI

Slang for having sex with woman who has her period because after you are done having sex, you will leave blood droplets on the sheets or floor. Thus leaving evidence behind!

I approached my girlfriend for sex, and when she said she had her period, I said I was ok with some CSI action.

by MIF's baby February 25, 2007

CSI

1) Crime scene investigation- a television show about crime solving.

2) The origianal M-powered BMW

"Let's watch CSI"

"BMW M6.35 CSi is an old but nice car."

by Gumba Gumba February 25, 2004

CSI

1. cool fantasy TV show about dead people and maggots and stuff
2. Boring gross job

I wanna be a CSI like on CSI! ...Ewwww

by Amanda is Naff July 9, 2003

CSI

cool sexy investigators

hey did you see those CSIs last night?

by UD is my bible January 4, 2009

CSI

Crime Scene Investigation
Crime Scene Investigater


also is the name of tv shows:
CSI: NY, CSI: Miami, CSI: Crime Scene Investigation

"i want to be a CSI"
"i watched CSI: NY last night"
"CSI shows are awesome!"

by ShaeElise February 27, 2009

CSI

Cum sucking idiot.

Dude, that CSI won't get off of my clockwork.

by Esch8 March 14, 2003

CSI

CSI: "Constantly Showing Intestines"
Most common CSI: "Crime Scene Investigation"
My term for CSI: "The best show ever! Well.. not the BEST. Okay fine, I don't really like it. No wait. I don't like it at all."

George Lopez defined CSI as 'Constantly Showing Intestines.'Also TV shows called CSI, CSI: Miami, CSI: New York.

by Oliver Klosov January 11, 2006