bro bro goo goo

A vocal exercise that keeps you calm by relaxing your face.

Person 1: "He recommends vocal exercises, like bro bro goo goo!"
Person 1: "Bro bro goo goo!"
Person 2: "...How is saying a bunch of nonsense possibly going to help us?"
Person 1: "It says it keeps you calm by relaxing your face."