Top definition
Sl is exactly what it sounds like, aS helL
I'm mad sl.
I'm tired sl.
by 122001 January 24, 2017
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2
Adding "SL" to the start of somone's name if said person is either; Sleezy,Slutty Sly or Slimey.
"Check out that chick, What a slut"
-"Where ? , yeah thats Slynda" (SL=Lynda=Slynda)

"look at him sliming all over that Girl !"
-"Yeah thats SLimon" (SL=simon=Slimon)
by Brandon4re January 17, 2011
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3
An abbreviation for Second Life, a MMOG ran by Linden Labs. SL is a Metaverse environment similar to the one in the novel "Snow Crash."
Hey girl, are you going to the club in SL tonight or what?
by Laurine May 17, 2006
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4
Secret Lover
A name given to 2 people, whose desire/love for each other is too strong to be public. So it must be held a secret.
Dont tell any one, but..... your my "S.L.".
;
by Jvstn November 21, 2008
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