Oh.

It's what you say when you don't know what else to say to someone, and you're thinking "Wtf", but they're your friend and you don't really want to sound mean. If used with authority figures it can also mean "Fuck you".
Amy: So, I made out with Bob last night.
You: Oh.

or

Mom: You need to clean your room.
You: Oh.
by fanofthebeewhisperer September 26, 2010
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Oh.

The response you get when you say the most vile, absurd, hateful, harmful, horrible, terrible, disgusting, despicable, delusional, terrifying, deliberate, unfathomably evil words to ever come out of your mouth.
“hey girl are you a pumpkin cause I want to slice off the top of your head, scoop out your insides and cut your face up and hang it outside my house”
“Oh.”
by frankenen March 07, 2023
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Oh.

Oh- wen said bluntly with no word preceeding it, "oh" indicates that one acknowledges what you said but simply does not care.
Person 1: Oh.
Person 2: What does "oh" even mean.
Person 1: "Oh" means that I acknowledge what you have said I simply don't give a sh*t.
Person 2: thats kinda rude
Person 1: Oh.
by Jai. April 19, 2009
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Oh.

I heard you, but I don’t really care about what you told me.
person 1: I blocked this jerk in (online game)!
person 2: Oh.
by Pie In Box August 05, 2018
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Oh.

by ya boi charles February 25, 2018
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oh no, oh no

OHHHHH YEAHHHHHHHHHHHHH
some random guy: "oh no, oh no, o-"
Kool-aid man: "OHHHH YEAHHHH"
some random guy: "wtf"
by pp123987 March 11, 2021
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