#cto

What does "cto" mean?
CheckThemOut, CreamTeamOak, cityofTulsaOK, CutThemOff, ComeToOman, CheckThisOut, ChiraqTakeOver, CharlotteTurnsOne, ColumbiaTCClassOf06, CallToOrder, ChaziTakeOver, ChineseTakeOut, CariocaTiraOnda, CayoTheOne, CheerThemOn, CompleteTakeOver, CreditToOwner, CrToOMG, CalllToOrder, chiefToyOffficer, CallTheOffice, CatTongueOut, CheriTrendyOutfit, CountdownToONE, CheckThatOut, CheerTryOuts, CharlieTheOverlander, CharlotteTheOriginal, CreditsToOwner, COMPOSiTiON

cto-s 4610 cto-wn 47926 cto-españa 4673 cto-ptop 814 cto-lympus 1204 cto- case 924 cto-mbre 681 cto-pheryoga 838 cto-nko 596 cto-sea 397 cto-lympuspoa 676 cto-cindonesia 694 cto-mhowell 497 cto-wnback 432 cto-wing 258 cto-perators 383 cto-ntemporaryart 682 cto-ow 144 cto-vi 144 cto-españa2014 147 cto-iça 111 cto-thel 152 cto-han 124 cto-td 106 cto-pen14 238 cto-poacc 231 cto-wnweatherreport 196 cto-neshop 213 cto-wns 102 cto-wnrecords 176 cto-rnothin 159 cto-wnspirit 171 cto- swagcnous 190 cto-mashowell 161 cto- gang 157 cto-wnpanthers 144 cto-uch2015 140 cto-wncancer 143 cto-forthepicsused 144 cto-wntakes30a 117 cto-ddphotoj 151 cto-24spb 125 cto-d2014 128 cto-españa2013 104