Related Clues:

• Word of warning
• Yup's alternative
• 1958 Presley #1 hit
• Informal denial
• Slangy refusal
• Slangy turndown
• Quip, part 2
• 'Forget it!'
• 1958 Elvis song
• 'Don't think so'
• Faux pas
• No-no
• Slangy denial
• 'Uh-uh'
• 'Don't sweat it'