Related Clues:

• 'Ka-POW!'
• George Michael's erstwhile duo
• "Batman" fight sound
• Group of players briefly playing at the Olympic Stadium
• "Whap!"
• 'Careless Whisper' group
• ''In the blink of an eye . . .''
• Relative of 'POW!'
• 'Wake Me Up Before You Go-Go' band
• Ka-boom!
• Comic book onomatopoeia
• Hard smack
• Word in old ''Batman'' shows
• "Thwack!"
• 'Careless Whisper' pop group