The annoying person sitting next to or behind the driver of a vehicle that thinks they know more about how to drive and offers criticism and other driving tips.
When we go on a trip, I'm the driver and my wife is the nagivator.
4π 4π
A back-seat driver, someone who regularly criticizes and/or nags the operator of a moving motor vehicle, many times a relative.
My mother-in-law is the classic nagivator.
2π 3π
While one is assisting in the navigation process, they are simultaneously nagging the pilot.
My wife really loves to nagivate while weβre on road trips.