When you have been drinking heavily and are having a great time, when suddenly you become extremely nauseous.
I was dancing at the frat party last night when I had an oh no moment and puked all over the pong table.
Single appropriate reaction to a wild statement or remark you don't agree with
Person A: If you kick every latino out of this country, who's going to be cleaning your toilet, Donald Trump?
Person B: Oh that's not...
A phrase that is repeated continuously every lesson by a devious maths teacher.
Class - "That number is actually a negative not a positive"
Timothy - "Oh boy!"
A classic twist, and a alternative to the reaction ''oh man'', as you'd say in cases of unexpected events. Typically used by millenials, age 12-18, and is a act of surprise, followed by disappointment
''Oh manhild, there was a guy right around the corner'' - Keyboard Warrior
An exclamation that expresses both surprise and pleasure; a combination of the phrases "Oh my God" and "Nice!". The phrase "Oh my tart!" can be used as a substitute, with tart meaning tight (in the sense of cool or sweet).
Person 1: Hey, we have some left over pizza, do you want to get in on this?
Person 2: Oh my narshe!