\ ˌō-ˌem-ˈjē How to pronounce OMG (audio) \
variants: or omg

Definition of OMG

oh my God used (as in email or text messages) to indicate that something is considered surprising, shocking, thrilling, etc. Their harmless [email] chatter ("OMG! I was playing yesterday, when this really CUTE boy rode up on his bike") is reminiscent of the notes we used to pass in class …— Janet Malcolm sometimes used as an interjection Then she stopped in the middle of the aisle, snapped her fingers, and exclaimed, "Hey! Does he have Guitar Hero?" "No, but he has a Wii. OMG, you are a genius!"— Jessica Hulett

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“OMG.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/OMG. Accessed 16 Apr. 2021.

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More from Merriam-Webster on OMG

Britannica English: Translation of OMG for Arabic Speakers

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