Related Clues:

• Exasperated cry
• 'Watch it!'
• "I'm talking to you!"
• Succinct warning
• ''__ you dare!''
• "What's the big idea?"
• "Stop!"
• Once, perhaps
• #1 hit for Elvis
• 'Just stop!'
• One-third of Fat Albert's catchphrase
• ''Sup'
• '___ You Want Me' (1981 Human League duet)
• With 78 Across, brusque greeting
• 'Whaddaya know!'