This term generally refers to a state of excellence and awesomeness set above others. When it was first put to use by myself it was a combination of Rock On
. Unlike the previous definition, this form of it usually implies more of a state of mellowness and success, in that all has come together, rather than a state has just been activated. A word often used for esteem. Can generally be used for a variety of successes, big and small. It's meaning is emphasized when used in repetition.
Another: Check it out the burgers looked cooked.
You: Sweet on, Dudeman, sweet on.
Another: Great show, man. You really did awesome.
You: Sweet on, you know me.
Another: You should have seen it, we rocked them.
You: Really? Sweet on.