OMG: Churchillian Origins of the Popular Texters’ Phrase
Yes, credit OMG to Admiral Fisher. He had a flamboyant writing style, often signing his letters to Churchill, “Yours till a cinder” or "Yours till Hell freezes over." Many other other loquacious salutations made his lexicon of salubrious sign-offs. Given his sudden resignation and disappearance from the Admiralty in May 1915, they were rather less than sincere.