The story
Clipping of okie-dokie, imitating the naïve responses of those who willingly yet unwittingly agree to the terms of disastrously bad or harmful agreements by saying "okie-doke".
Etymology from Wiktionary, CC BY-SA 4.0.
okie-doke
Today it means: A scheme or stratagem intended to cheat or swindle; trick. Full definition →