Initialism of Digital Versatile Disc recordable: a form of digital media that is similar to a CD, but has far denser storage and thus greater capacity. It can only be written to once, but can be read from an indefinite number of times.

Censored spelling of motherfucker.

(humorous) Suggesting a group of people or repository of products of the specified kind.

Alternative form of three Rs

Alternative form of VR

(film) Of a motion picture, having an "R rating" from one more motion picture rating authorities, typically meaning it is suitable only for adults.

Radiotelephone; radiotelegraph.

(automotive) Initialism of road and track.; used to indicate a high performance edition of a vehicle or part, capable of use for everyday driving as well as amateur racing.

(medicine) Initialism of rule out: used to indicate that a certain possible diagnosis should be considered, and appropriate tests performed to rule it out.

(phonology) The omission of the sound of a letter "r" after a vowel.