naggigator - A naggigator is the person who takes the backseat and thinks

A naggigator is the person who takes the backseat and thinks they're the one who knows the way. They're just a loud mouth with a map and no respect.

'You're going the wrong way! I saw a sign! I saw a sign! I saw a sign!'

'I told you to take the second exit. Now we're stuck in the third exit traffic!'

'I'm gonna yell at the traffic! I'm gonna yell at the sky! I'm gonna yell at you!'