It means, Strangers to Friends to Lovers to Strangers.

"From Strangers to Friends, friends into Lovers and Strangers again." It is from the song Strange by Celeste, please go listen to it. It is absolutely beautiful.
"You know how relationship goes, s-f-l-s. Nothing ever lasts."
"S-F-L-S, we are in the love part right now, so I have to ready for us being strangers again."
by cjjninoh August 20, 2021
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FROM STRANGER TO FRIENDS, FRIENDS INTO LOVERS, AND STRANGER AGAIN.
friend 1 "Well you know how my relationship goes, s-f-l-s."
friend 2 "GOD! you're pathetic."
by cjjninoh August 20, 2021
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S-L can be either a name or noun, Sometimes people or objects are S-L.

Everyone always asks what S-L stands for, however it stands for whatever you want it to stand for. Its most popular definitions are Slutty Loser, Sex Lover and Stupid Loser.
That outfit is so S-L

Is S-L coming out tonight
by the real S-L June 12, 2023
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Some shit bitches have been putting in thier bios on Tinder.
Hot chick's profile on Tinder: blah blah blah... add me on

(>L,o;v~e;r~H`o;l^e*s c-o*m<)
For more info about me!
by Ron L'baam November 6, 2017
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P L A N S, This word means to Please Let A Nigga Smash, Used when you are down bad and want the buns
Oh My God Girl P L A N S
by DaddyAKgbw January 9, 2023
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When your high and there's a good song so you sing to it but you start laughing then you sound funny because your laugh singing your s/l
Yo bro why you sound like that
I'm laugh singing man

I'm s/l
by Bella7246105 October 25, 2017
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Davie504: slap like now!

its means to slap so hard you break your laptop
OMG Davie504! thank you I broke my laptop because you told me to S L A P it
by Davie504 is da best slapperrrr December 3, 2019
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