#rrn

What does "rrn" mean?
RhinaRifficNails, RufflesRibbonsNBows, RachelleRedmerNails, RealRapNinjas, RootsRockNRoll, RestaRuaNt, RapidRealtyNYC, RetreatandReviveNaturally, RedRiverNM, RiRiNail, ReallyRealNation, RedaçãoRubroNegra, ReallyRealNYC, RantRadioNetwork, RocknRollNights, ReRockNation, ReallyReallyNice, RIPPrinceRogerNelson, RockstudRollingNoir, RedRaiderNurse, RESTEAZYpRiNCE, RIPPrinceRogersNelson, RippedRadioNetwork, RealRockNRollas, RiRiNavy, RicaRoaNgana, RoyalRampageNZ, RunRiverNorth, ReallyRealNyc, RollsRoyceNutrition