Meaning
What does Okie Dokie mean?
Okie Dokie is a slang alternative to OK, used especially by kids and teens or among friends.
The expression is a slightly friendlier way of saying OK, due to the word okay getting diminutivized and rhymed with the nonsensical term dokie.
Origin
What's the origin of Okie Dokie?
It is not known who has come up with the expression in the first place, however it has been part of the English lexicon since the 1930โs and has been eagerly used by both children and adults ever since.
The phrase was created through the reduplication of the word okey.
Spread & Usage
How did Okie Dokie spread?
One may encounter the phrase in a large amount of different environments, due to its common nature.
It was first defined on Urban Dictionary in 2003, with a couple of other entries written on the subject since.

External resources
- Urban Dictionary โ Okie Dokie