I'm dumb
Examples
Don't assume I'm dumb because I wear a suit and tie.
I know a lot of people think I'm dumb. Well, at least I ain't no educated fool.
Only very intelligent people don't wish they were in politics, and I'm dumb enough to want to be in there.
People deal with models like they are children. They think they can pull one over on you. It's actually funny. I'm always like, I'm about to pull something on you, and you're so focused on thinking I'm dumb you're not even going to know.