"OK" is an abbreviation for "oll korrect," part of a whimsical fad ... lexicon when it was adopted by supporters of Martin Van Buren, known as Old Kinderhook, who turned it into a pun for his ...

The word 'OK,' originating from a satirical 1839 article as 'oll korrect,' gained popularity during Martin Van Buren's 1840 presidential campaign. Adopted globally, 'OK' now universally signifies ...

It’s intended to be a shortening of “oll korrect,” a comical misspelling ... When William Henry Harrison ran against Martin Van Buren, nicknames for both candidates became popular.