Related Clues:
- Like monster trucks or their spectators
- Zoo noise
- Fans' sound
- Like a supportive crowd
- Clamoring en masse
- Cannon sound
- Threatening jungle sound
- Bestial bellow
- Cheering noisily
- Like crowds in the heat of a match
- Opening sound of an MGM film
- Crowd noise?
- Big engine sound
- Make like a lion
- Really loud, as a crowd