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Related to okey-dokey: okey doke
An informal variation of OK. A: "Come on, Tom. We're ready to go to the park!" B: "Okey-dokey!" Okey-dokey, that ought to do it—your computer should be back in tip-top shape now!
interj. yes; OK. (Folksy.) Okey-dokey, I’ll be there at noon.