Related Clues:

• Sloppy-landing sound
• 'That hurts!'
• 'That hurt!'
• Comics cry
• Hitting sound
• Sound louder than kerplop
• Cry of pain
• Sound of impact
• Comics sound
• Punch-in-the-stomach reaction
• Relative of 'thud'
• Impact sound
• Spring sound
• 'Batman' sound effect
• Sound of a spring