The next time you tap out the letters OMG, take a moment to give a nod to British Admiral John Arbuthnot Fisher. The now-ubiquitous abbreviation may have first appeared in his correspondence with Winston Churchill back in 1917, reports io9.com by way of Letters of Note. It located the letter in question, in which Fisher wrote, "I hear that a new order of Knighthood is on the tapis—O.M.G. (Oh! My God!)—Shower it on the Admiralty!!" (Click to read about a more recent milestone for the abbreviation.)