Naggyvator 

Naggyvator: (Naggi-vator) Noun: The person in the front passenger seat that is nagging you about taking the wrong turn, and other navigational errors/misjudgments. Typically female, but known to exist in male form.

My wife can be quite the naggyvator on long trips.

Naggyvator by Bobo Man June 22, 2010

Niggavator 

An elevator full of black people.

I rode this niggavator to the top floor of the koolaid tower man.

Niggavator by Saramegan January 18, 2009

Nagginator 

A person who excessively nags at someone else.

In her eyes, nothing he does is ever good enough. She is now known as the Nagginator.

Nagginator by LaDeena October 11, 2009

Nagivator

Nagivator is one who 2nd guesses, questions, nags or argues with the driver.

"Annabelle was the Nagivator the whole way to Florida while her husband John did the driving, constantly questioning the route they were taking"

Nagivator by kimberbunny February 4, 2010

nagrivator

Similar to "nagrivate", but is what your significant other does while sitting in the passenger seat of the car.

Said to the nagrivator, "I know that I passed the turn-off, went through a red light, and am going too fast, will you please stop nagrivating me!!"

nagrivator by David Wheeler October 26, 2007

nagavator 

a person in the passenger's seat (usually a woman) who nags instead of navigates; a backseat driver

Jane: I think we're lost, maybe I should drive, turn here, you missed it, watch out for that squirrel, can't you drive?

Dick: Not with you carrying on like that. Geez, you're such a nagavator.

nagavator by madelinemouse July 14, 2005

NAGIVATOR

A NAGGING PASSENGER THAT ALWAYS THINKS THAT HE OR SHE KNOWS MORE THAN THE DRIVER.
PERSON ALWAYS "CORRECTING" OR NAGGING THE DRIVER, POINTING OUT HIS EVERY MISTAKE.

with the nagivator in the passenger seat, he knew it was going to be a long trip.

NAGIVATOR by MACDADDYJ March 26, 2010