It is also said that O.K. was written on the ships or other places to show that the ships are ready. 2.Initials of the comically misspelled Oll Korrect[6] 3.Initials of Old Kinderhook a nickname for President Martin Van Buren which was a reference to Van Buren's birthplace Kinderhook, NY. 4.Choctaw word okeh 5.Wolof and Bantu word waw-kay or the Mande (aka Mandinke or Mandingo) phrase o