fast-talking
adjective
[ ˈfɑːstˌtɔːkɪŋ ]
• using rapid or misleading speech to pressurize someone into doing something.
• "a fast-talking shyster with nothing but money on his mind"
fast-talk
verb
• pressurize (someone) into doing something using rapid or misleading speech.
• "heroin dealers tried to fast-talk him into a quick sale"