Related Clues:

• Expression of disinterest
• 'Uh-huh, yeah, sure'
• "Hmm, don't think so"
• ''Forget it''
• ''Ain't happening!''
• 'Uh uh'
• "Don't reckon so"
• ''I'll pass''
• No (gruffly)
• "Guess again"
• ''I don' wanna!''
• In a bad way with back? That sounds very sceptical indeed (1'2,3)
• Skeptic's response
• 'Uh-huh, sure'
• ''Bad idea''