Possible Clues:

• 'I don't buy it!'
• "Don't give me that rot!"
• ''Bah!''
• 'Horsefeathers!'
• "Horsefeathers!"
• "Don't give me that!" old-style
• Exclamation of contempt
• 'I don't believe it!'
• 'Shucks!'
• "I don't believe that!"