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A concatenated, exaggerated form of the phrase 'Oh My God'.
Used in scenarios where already-existing extreme, emotion-describing words can't begin to accurately describe one's emotions.

pronounced : Ohmmgod (With extra emphasis on where the 'y' has been dropped, and an 'm' added)
Person 1: " You've just won the national lottery! How do you feel ? "
Person 2: " Ohmmgod! "
by SomeSapphire August 10, 2015
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