A pun which is contrived from the common exclamation "oh my god". The intention of the user of the expression is usually, in addition to expressing exclamation, to also draw subtle humour at the grand religion vs science debate (regardless of whether religion and science are truly mutually exclusive in the first place).
Oh my science! You wouldn't believe what I just saw.

Ha ha ha, you atheist. So what did you just see?
by chtchtcht July 11, 2014
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Used instead of 'oh my gosh' or 'oh for fuck sake'. Origin - South Wales.
Rupert: Look at that dead body on those rocks over there
Keith: Oh my nan!

Rupert: We have maths homework.
Keith: Oh my nan that's so gay.
by chippendale keith July 13, 2005
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An expression of exclamation used primarily to indicate surprise, but can also be used to express shock, fear, pleasure or virtually any emotion.
1. Tom: "I slept with your wife last night."
Steve: "Oh, my dad! Seriously, though, I'm gonna kill you."

2. "I just saw Justine topless and, Oh my dad, were those breasts beautiful!"

3. Jake just new deep in his guts that the moment was right. With lust in his mind and more in his pants he turned to Lily and, with a sultry look in his eye, simply said, "Oh....my dad.".

4. Oh my dad! I forgot to feed the kids for the last four days! Derp!
by BryJo August 24, 2007
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Generic reaction of a man who has been hit in the testicles.
Oh my balls, my balls!
by Nobli November 19, 2022
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A phrase that have the same meaning as oh my god but its gulai and gulai mean vegetable
oh my gulai!
by Vun_ September 15, 2021
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An expression of sorrow and/or concern for one's pet duck, who has recently come across some great misfortune.
Veterinarian: I'm sorry, Jack, but it looks like your duck won't make it through the night.
Jack: oh my duck.
Veterinarian: Yes, and we have strapped his bill closed to stop his wailing so as to reduce the complaints from the neighbors.
Jack: oh my duck.
by sereklsj April 20, 2021
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Oh my goosh is a different way to sayoh my god” and “ oh my gosh”.
Girl: Oh my goosh, that kid is so cool!
Boy: I know right
by Oh my goosh January 5, 2019
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