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1.
csl
cock sucking lips. a handy abbreviation which is specially useful when describing someone within cuffing distance who you don't want to know what you are talking about
look at the csl's on that!
by Anonymous May 22, 2003
 
2.
csl
cant stop laughing

new IM phrase that actually is a new 'lol' seen as that is overused....
erick: are you gay?
mike: yer
erick: haha csl
by craig and rachel November 23, 2006
 
3.
CSL
1. a physical characteristic of a person indicating prompt, attentive and mind-blowing oral-clitoral stimulation.

2. clit sucking lips.
That kid has some mad CSLs.
by fourcarats July 25, 2010
 
4.
csl
can't stop laughing
I csl when someone tells a joke..
by sameer0030 August 25, 2010
 
5.
stands for "Cock Sucking Lips"
"Damn check out those C.S.L' s " .
by B_Rand December 04, 2010
 
6.
csl
Can't stop laughing
Oh my god! You're so funny! csl !!!
by Space Angel June 05, 2011
 
7.
CSL
Cyber Stereo Listening
Cyber Stereo Listening is the act of listening to the same music with other people synchronically..During so called 'CSL'-sessions, you often talk about the music with your fellow listeners,.
by G33R January 05, 2010