Grah Blah Blah Blah is an exclamation originating in the 757 area of southeast Virginia, or Norfolk, more specifically. The origin comes from the the noise made by a large group of unnamed fly ass thugs in Norfolk, emulating the noise of vomiting.
A preteen yap addict who sometimes makes based takes, and more often makes shit takes. He is often found in the wild when one scrolls through instagram reels.
"Man, if you don't stop talking like this, I swear you will become Andrew's Blah Blah."