#sdü

What does "sdü" mean?
SophieDolledUp, SalarDeUyuni, SheDressedUs, SecondDateUpdate, SpaceDogsUnite, StayDolledUp, StayDown2KumUp, SuiteDownUnder, StayingDownwithU, StellaDotUk, sudanes_dressed_up, sibyDownUnder, space_dance_ufa, SinceDayUno, ScoobyDoo2MonstersUnleashed, SeuDeUrgel, StepDownUnit, superDryUAE, SolarDeUyuni, SupplyDaUniversidade, SucoDeUva, SauloDuarteeaUnidade, sinceDayUno, SábadoDeUFC, SanataDharmaUniversity, SoloDaUCI, SanDiegoUnseen, SanDiegoUntold, SpaDeUñas, sofi_decor_ufa

sdu 86813 sdub 4758 sdü-öğrenci 3602 sdubbzonfire 521 sdukizlarierkekleri 441 sdukizlari 424 sduapproved 412 sdutourism56southeasterntrips 382 sdunite2013 377 sdukz 2627 sdufest 347 sduselfie 333 sdu 1001competition 304 sdu081 301 sdü-gsf 842 sdü-lüolmak 2549 sdü-dublaj 264 sdukphotography 241 sdu074 228 sduitiraf 207 sduce 205 sdum 200 sdukarmparty 198 sdutip 192 sdudublaj 185 sducidalquotes 183 sduo 160 sdutaustin 156 sdurbancampout 149 sdu073 145 sduria 145 sdublaj 143 sdü-myo 447 sducsb 127 sdumyo 129 sduftw 119 sdukab 118 sduygub 180 sductv7 118 sdubidb 109 sdu2015 106 sduro 926 sdu072 100 sduccon 100 sdudla 1699 sdü-öğrencisi 432 sdudents 544 sdunkhorstknives 1345