a gi gi - when you yell at someone so loud they can't hear anything el

when you yell at someone so loud they can't hear anything else.

I used gi-gi nuff-nuff on my little brother and he shut up for a whole hour.

My friend used gi-gi nuff-nuff on the teacher and she started crying.

I yelled gi-gi nuff-nuff so loud my dog ran out of the room.