An appeal to a deity.

Or just something said as an exclamation point or as a swear word when angry.
What Moses was taking about when he said thou shall not take the name of the Lord your god in vain.
Oh my God! I hate this freaking class!
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totally offensive and if you say this all the time you should just read the ten commandments- one is do not take the lords name in vain
by chill_christian October 30, 2018
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An exclamation of extreme shock or surprise... but only valid when the word God is capitalized.
"Oh my God Doug... I can't believe you didn't capitalize the word God"!
by Maxo888 February 22, 2014
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1) This is Ronny J’s signature for the beats that he produces for songs by rappers like XXXTentacion (God rest his soul), Lil Pump, Famous Dex, 6ix9ine, MGK, Comethazine and others. “Oh my God Ronny” is his personal signature that lets people know that he produced the song and helped to advertise it himself

2) Or you can use it in replacement of Oh my God just to add a hint of humour in the phrase.
1) *Listens to an MGK Song*
"Oh my God Ronnyyyy"
Me: What the fuck

2) *Is playing basketball*
*Friend gets a nice three pointer in*
Me: "Oh my God... RONNIEEEEEEEEEEE!!!"
by InstaCream February 26, 2019
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"Oh My God Jihyo" is an expression used commonly by kpop fanatics (specifically Twice) that uses the expression "Oh My God" but in their fandom which in this expression being the KPop group Twice in this case being their leader Park Jihyo. There are also other expressions like this but in different groups i.e. BTS (Bangtan Sonyeondan 방탄소년단) being "Oh My Namjesus" from their leader Kim Namjoon and BlackPink (브라크핀크) being "Oh My Jisoos" from their lead vocalist Kim Jisoo.
"Oh My God Jihyo!!! Twice looks stunning in their new comeback"
by 애쉬튼 BuddhaTzu April 16, 2020
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Spectators who rush to the scene of a fire, car wreck or other emergency and hamper or even block rescue vehicles.
Oh great...the 'Oh my God!' squad has the road blocked and I can't get Engine 1 close to the house on fire.
by mikegt May 23, 2010
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Hey, I’m just quoting Kylie Jenner. . . .
KRIS: Kylie Jenner, please report to the foyer; I have a surprise for you . . . !
KYLIE: Oh my God, is that a chicken?

OH MY GOD IS THAT A CHICKEN
by The Nightmare Hour April 19, 2018
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