b-llll-rrr-g
A wild and crazy sound you make when you’re trying to show off how tough you are.
He said 'b-llll-rrr-g' to look cool in front of his friends.
She made 'b-llll-rrr-g' when she beat her brother at video games.
I said 'b-llll-rrr-g' to show I was the strongest in the class.