(n) An overly promiscuous individual. A more free term for skank, slut, or ho. Durived from the behavior of a piece of paper when thrown in the air, how it moved with no bounds, or control, in a promiscuous way.
(v) Engaging in promiscous or random sexual intercoarse. May or may not be with an unknown partner. Usually, but not always, in a casual sexual encounter. Possibly in-intimate.
"Susie slept with 4 different guys in one night. She is SO loose leaf."
"My boyfriend just got in from Dallas tonight, and I think I may loose leaf with him as soon as he get home."