(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

(oil industry) Initialism of refining and marketing.

Alternative form of TR

plural of hard r

Censored spelling of nigger.

In the neo-Gricean semantics and pragmatics of Laurence R. Horn: a reformulation of Paul Grice's maxim of relation combined with the second submaxim of quantity and the third and fourth submaxims of manner, stating: "Say no more than you must (given Q)", and implying that there is no reason to make a stronger statement if the extra information can be contributed by implicature.

plural of R-R

plural of r-slur

(euphemistic) The word retard or retarded.

(Internet slang, euphemistic) Retarded; extremely stupid or deranged.