Related Clues:

• Sound from 35-Across
• Wildfire sound
• Thunderous response
• Have a hearty laugh
• Big noise
• Emulate a woman, in 'I Am Woman'
• Indy 500 sound
• Sound under the big top
• Horselaugh
• Sound after a walk-off home run
• Racecar sound
• Noise from fans
• Woman's sound?
• Be loud, as an engine
• Copy a lion