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
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can’t stop laughing, but in a grsly manner.
Sylv: Matt can I have some of your warbutons toastie white bread?
Matt: Yer sure you can Sylv, but it’s mouldy.
Sylv: No problem, do you have any left over pizza crusts instead?
Matt: No csl.
Luke: Grsl.
by ilikeherbutshehasboyfriend October 15, 2021
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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
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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
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