"Ain't gonna happen!"

• "Meh, I don't think so"
• "No sirree"
• "Nothin' doin' "
• ''Don't think so''
• "Naw"
• "No way, José!"
• "Nope": Hyph
• "Don't even think about it"
• Disapproving remark

Wiktionary Word definitions in Wiktionary
interj. 1 (alternative form of uh-uh English) 2 (alternative form of uh-huh English)