OMG - Wiktionary
English [edit] Etymology [edit] Initialism of "oh my God". Its first known attestation is in a letter from John Fisher to Winston Churchill, dated 1917, as "O.M.G.". [1] Pronunciation [edit] (UK) IPA (key): /əʊ.ɛm.ˈdʒiː/ (US) IPA (key): /oʊ.ɛm.ˈdʒiː/ Rhym...