Related Clues:

• 'Can't be'
• Expression for one just saying no
• ''I don't wanna''
• "Never mind"
• 'Prolly not'
• 'Not gonna happen'
• Casual "I'll pass"
• "Um, no thanks"
• Slangy "No way"
• 'Not for me'
• "Ain't happening!"
• 'None for me, thanks'
• South's declaration, perhaps
• "Rather not!"
• 'On second thought, forget it'