It is an expression that represents positive astonishment in the following situation: When someone mentions a future event that is too good to be true and people do not expect it to actually happen, but this person unexpectedly and casually returns with the realized result.
Person A:"I think I am going to start a brewery"
Person B:"Yeah why not."
Person A and B meet again a few months later
Person A:"Oh yeah by the way, I started my own organic brewery business. We're going to start selling our products at Whole Foods."
Person B: "Oh! Sundo!"
Person B:"Yeah why not."
Person A and B meet again a few months later
Person A:"Oh yeah by the way, I started my own organic brewery business. We're going to start selling our products at Whole Foods."
Person B: "Oh! Sundo!"
by jasonmagniig December 31, 2020
Get the Oh! Sundomug. by Chimmy Chongaa October 14, 2019
Get the oh lolmug. Milf, sorry, milfy, sorry, milfy milf, sorry, I meant to say mommy, no, Sandra oh. She’s a milf mommy and she’s got the sexiest hair of all time. She likes to stick her tongue down Jodie comers throat and likes living in woman's vaginas.
She’s a very sexy, very talented daddy who plays eve polastri in killing eve. She loves to make out with Jodie comer and squeal in the back of vans.
She’s a very sexy, very talented daddy who plays eve polastri in killing eve. She loves to make out with Jodie comer and squeal in the back of vans.
by Villanevesslugussy May 17, 2022
Get the Sandra ohmug. 
The word means Peter a common name replaced with the emoji 🅱️️ and so becomes slang for someone who adores a person more of a meme lord than the average peter.
by 🅱️️eter 🅱️️OIIIIIII April 18, 2018
Get the oh 🅱️️etermug. Tim: She asked me out and I can't believe I said 'no'
Tom: What!!??
Tim: Gotta complete my paper or else I'll flunk and not even graduate this year
Tom: Oh the joy!
Tom: What!!??
Tim: Gotta complete my paper or else I'll flunk and not even graduate this year
Tom: Oh the joy!
by theoxbow November 7, 2015
Get the oh the joymug. 1. what one says when he/she has a feeling of extremely light dissapointment when something doesnt go his/her way
2. making fun of someone when he/she screws up in a gay way
2. making fun of someone when he/she screws up in a gay way
by 408_brigga January 5, 2010
Get the oh sorrayymug.