used to express solitude, or a casual greeting. It can also be used to address someone.
"yoy wsg pimp"
"Where are yoy at"
"yoy suck"
A way to respond to something when you have nothing else to say.
Wife: Honey, I'm pregnant!
Husband: Yoy.
Yoy is used to describe someone who is not very lucky and seems to always lose out on something if its in his control or not in his control