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."
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