any substance, usually kind of disgusting and unidentifiable, that gets on something. Often times the yang is dried on whatever it is on, like snot for example.
I got out a glass to drink out of, but it had some kind of yang on it, so I put it in the dishwasher.
A sound a broken mic might make, in the case of really broken mic's this might occur once every sentence. The "word" is used when ridiculing the person whom have this broken mic.