1897, "person who is always listening to other people's conversation; person who gazes around him with undue curiosity," from rubber + neck (n.). Popularized with reference to sightseers in automobiles. As a verb from 1896. Related: Rubbernecking (1896); rubbernecker (1934).
The cars slowed down and the drivers rubbernecked after the accident
rub
rub-a-dub
rubaiyat
rubato
rubber
rubberneck
rubbers
rubbery
rubbish
rubble
rub-down