roar at someone or something
1. Lit. to bellow or bawl at someone or something. Don't roar at me! Control your temper. The lion roared at the hyena, who ran off.
2. Fig. to laugh very hard at someone or something. The audience roared at the clown. The children roared at Dad's jokes.
roar away
to speed away, making a loud clamor. The car roared away into the night with tires screeching. The train roared away, carrying Andy to Canada.
roar something out
to bellow something out loudly. Walter roared his protest out so everyone knew how he felt. Jane roared out her criticism.