Related Clues:

• Relative of 'POW!'
• Ka-boom!
• Comic book onomatopoeia
• Word in old ''Batman'' shows
• "Thwack!"
• Cartoony exclamation
• Sound of a pound?
• Comic book impact sound
• Comics fight sound
• Word before boozle
• 'Pow!' relative
• Sound made by a slug
• ''Just like that . . .''
• 'Ka-pow!'
• Loud hit sound