It's when you want to scream something out into the world but don't know what so you go like this:
AAAAAA BAAAAAAA!!!!!!!
Hey, what do you want for dinner? :AAAAAA BAAAAAAA!!!!!!! Hey, you wanna snack? :AAAAAA BAAAAAAA!!!!!!! Hey, what do you want for lunch? :AAAAAA BAAAAAAA!!!!!!!