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What does RSO stand for?

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Rank Abbr.Meaning
RSORepeat Sex Offenders (band)
RSORepublic South Ossetia
RSORed Saber Order (gaming)
RSORoad Service Outfit (bright yellow motorbike and sidecar used by AA patrols up until the 1960's)

showing only Slang/Internet Slang definitions (show all 79 definitions)

Note: We have 182 other definitions for RSO in our Acronym Attic