Related Clues:

• 'You gotta be kidding!'
• Emphatic denial
• 'That's a lie!'
• Slangy refusal
• 'That's impossible!'
• 'Forget it!'
• 'Don't think so'
• 'No way!'
• 'Nothing doing!'
• Cry of disbelief
• 'Nah!'
• Slangy denial
• 'Nope'
• 'No sirree'
• 'I don't believe it!'