I haven't been on for a while and i'm jus wonderin wat Karma is. What does it do? what does it mean? Thanks

From my observations karma is your feedback worth. Such as if you give comments like, "That song sucks @$$" or "it's wack dude" You'll be given a lower Karma. If you give constructive criticism or feedback that's actually helpful to the artist then your karma goes up.

Correct ^

There are also multiple threads on this in this exact section so look around if you have any more questions on it.

Karma is given or taken away when one of yoru ratings is rated.

In other words, when you give feedback, and someone marks it as "useful" you get plus karma, if it's marked as "Worthless" you get minus karma.

Once your karma dips below a certain point, your ratings don't affect the overall scores of beats you have rated. Eventually this will also be used to ban people from uploading beats until they get their karma right.