What is Sll?
1.
Secret Lesbian Lover
It is usually used as a non-sexual term referring to two non gay female best friends who are extremely close, and often "playful" with each other in public.
It can also be used to describe an
"She's my SLL"
See
Random Words:
1.
Slang for a males penis
Am going to crash into that lass with my Yogurt Trolley
See yogurt, trolley, male, dick, cock, knob..