What is 3lf?
Three Legged Freak.
A moron whose penis looks like a 3rd leg
(A 3LF is neither country nor color related!)
Mrs. X: Hey sis, that homie overthere has a long schlong!!!
Mrs. Y: Yeah, I know him. He's a complete moron though
Mrs. X: Daaaamn, I hate 3LF's