Definitions for rubberneck
sightseer, excursionist, tripper, rubberneck(noun)
a tourist who is visiting sights of interest
a person who stares inquisitively
strain to watch; stare curiously
"The cars slowed down and the drivers rubbernecked after the accident"
Someone who engages in rubbernecking, or turning and staring.
Someone or something with a flexible neck.
To watch by craning the neck (as though it were made of rubber), especially if the observer and observed are in motion relative to each other.