Wiktionary
okey dokey
interj. An exclamation of accordance; okay, OK.
Wikipedia
Okey Dokey (SKE48 song)
also "Oki Doki" and "Okie Dokie", is the 7th single by Japanese girl group SKE48. It was released on November 9, 2011. It debuted at number-one on the weekly Oricon Singles Chart and, as of April 30, 2012 (issue date), has sold 474,970 copies.
Okey dokey
Okey Dokey, Okie Dokie, or Oki Doki is a humorous form of OK.