A Okee-Dokee
A Okee-Dokee is like the fancy version of 'okie dokie', it’s just more correct, but no less useless.
'I’ll be there in five minutes... a oke-dokee!' He said, then never showed up.
'He agreed to the plan... a oke-dokee!' Then he forgot about it.
'She said she’d come... a oke-dokee!' Then she left me with the dog.