<Tr> <Td> O.K </Td> <Td> Used in Greek . The abbreviation is pronounced as the English OK . </Td> </Tr> <Tr> <Td> A-OK </Td> <Td> A more technical - sounding variation popularized by NASA in 1961 . </Td> </Tr> <Tr> <Td> M'kay </Td> <Td> Slang term popularized by South Park TV show . Pronounced also as "Mmmm K". This variation has connotations of sarcasm, such as condescending disagreement . </Td> </Tr> <Tr> <Td> Okily Dokily! </Td> <Td> Catchphrase used by Ned Flanders in The Simpsons . </Td> </Tr>

Where did the expression okey dokey come from