[round-eyed] or [wide-eyed] also [large-eyed] {adj.} Very much surprised; astonished; awed. […]

[rounds] See: [GO THE ROUNDS].

[roundup] {n.} A muster; an inspection; a gathering together. * /The […]

[row] See: [HARD ROW TO HOE] or [TOUGH ROW TO HOE], […]

[royal road] {n. phr.} A quick means of accomplishment; an easy […]

[rozzer] {n.} Policeman.

[RSN] "Real soon now", sense of sarcasm.

[RTFM] {v.} "Read the fucking manual". Often said to [noob]s. * […]

[RTL] "Report the loss"; usually used in online gaming; used sarcastically […]

[RU] "Are you"