A mixture of disagreement and agreement, used by people who don't fully or even slightly agree with a statement, paradigm or convention, but feel the need to agree with it to conform with society.
Penny: I don't care, just do whatever you want.
Sheldon: Can I want to go because I have to want to go?
Penny: That works.
Sheldon: Hmm, nokay.
(Paraphrasing The Big Bang Theory)