Top Definition
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
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
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
can't stop laughing
I csl when someone tells a joke..
by sameer0030 August 25, 2010
stands for "Cock Sucking Lips"
"Damn check out those C.S.L' s " .
by B_Rand December 04, 2010
Can't stop Laughing!
guy1: generic xyz funny comment
by CSLOL MAN June 05, 2015
Can't stop laughing
Oh my god! You're so funny! csl !!!
by Space Angel June 05, 2011

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