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Full context: シャレオツだた
Google translate shows: I was Shareotsu.
シャレオツ (syareotu) is slang for お洒落 (osyare) .
しゃれおつ or シャレオツ means cool, fashionable. Above.
Another version: おつしゃれ is a rearrangement of the same word however this version tends to be used amongst media piers, show biz etc. This version is not grammatically correct but still spoken as such.
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