Person or persons whom ride in a vehicle, but are not in control of the vehicle, but
make comments constantly pertaining to the driver or
the way he/she is
driving.
He/She: OMG we are doing 80 MPH on the freeway.
Driver: What's
wrong with that???
He/She: The speed limit is only 65.
Driver: But everybody is doing the same
speed.
He/She: And you're
texting somebody.
Driver: Quit being such a nagagator, I know how to drive!