What is Yaahhhh!!!?
1.
Get out of my face.
*note* this is Soulja Boy's word, it's also a song thats coming out soon. He made it up, he made up the definition, I'm just here to publicize it.
Soulja Boy: I got like 300 cousins, and if one of them is like, "Hey Soulja Boy, can I borrow 5 dollars?" I'll be like, "YAAHHHH!!!"
See