Related Clues:

• Sound of a heavy landing
• It sounds dull
• Sound of dull impact
• Sound with a splash
• Fall into a beanbag chair
• Settle heavily
• Fizz preceder?
• Inverted e
• Play a guitar idly
• You may hit the ground with it
• Play idly, as guitars
• Lead balloon sound
• Inverted 'e'
• Monotonous sound
• None-too-gentle landing