9 everyday behaviors that make you look dumber than you really are

You're probably a pretty intelligent person. But you could very well be acting in ways that make you look like a complete idiot.

To help you create the best impression possible among coworkers and clients, we rounded up nine common behaviors that outside observers may associate with low intelligence.

Chances are you've been guilty of at least one, without knowing that it could be hurting your reputation.

Samantha Lee/Business Insider