(I've never met one that wasn't slack jawed)
Due to the fact that they can't communicate well because of the stupidity of ebonics.
It is primarily used to ask if the recipient of a statement understands what was being spoken. It is necessity to ask this because rappers are to stupid to ask what the speaker meant when they couldn't understand the statement.
Trisha: "Well, I know that you're saying 'you know what I'm sayin' a lot and I am about to hoof you in the nuts ass-munch!"
2) Danton: "Yo, you...you know what I'm sayin'...you know what I'm sayin'....yo..yo..you know....you know what I'm saying...bitch...you know what I'm sayin' !!?"
Sir Jon (Danton's English teacher): "I think the question should be 'Do YOU know what the fuck you're saying!!?"
1. To let the person your addressing understand what you mean.
2. Is used frequently through an educating conversation.
3. A mating call
3. Hey girl, why don't we go to my place and connect our genetilia, you know what i'm sayin?
A pathetic and inexcusable phrase or form of continuing one's thought inside of a paragraph being spoken that really makes no sense at all but to literally give everyone listening a splitting fucking headache!
Another form of this phrase is most commonly: "You know what I mean?"
Me: "No dude, actually, I have no idea what you just said."