noun: (US, film) a movie that is definitely, or most likely will be, R-rated ("Under 17 requires accompanying parent or adult guardian.") by the Motion Picture Association (MPA), typically due to having multiple scenes of violence or nudity.
noun: (phonetics, phonology, informal) a rhotic sound which is emphatic or strongly enunciated; in English accents especially a postvocalic consonantal r, as distinguished from its absence in a nonrhotic accent or from an R-coloured vowel
noun: (US, in particular), the hard r at the end of the word nigger when spoken with a General American accent and considered maximally racist; as distinct from the African-American Vernacular English pronunciation conventionally spelled nigga, whose final sound is sometimes called soft a
noun: Alternative letter-case form of hard r. [(phonetics, phonology, informal) a rhotic sound which is emphatic or strongly enunciated; in English accents especially a postvocalic consonantal r, as distinguished from its absence in a nonrhotic accent or from an R-coloured vowel]
