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.
by roflstomp May 15, 2007
Mavis: Cmon honey say it again
Dennissavich (idk i forgot on how to fucking spell the kids name): Blah blah blah
Dracula: I don't say blah blah blah
Dennissavich (idk i forgot on how to fucking spell the kids name): Blah blah blah
Dracula: I don't say blah blah blah
by Sebby294 July 09, 2021