o 

o means oh most of the times, but it's also used for unfinished ok.
o can also mean ooo (amazed)
short o means wha-

(yes people use this)

Girl 1: I still didn't find any sources of that picture

Girl 2: o
Girl 2: :(
-----------------------------------
Girl 1:I found a really good profile picture!
Girl 2: o
Girl 2: Cool
-----------------------------------
Girl 1:(shows a weird deep web youtube video)
Girl 2: o...

o by it's cold May 20, 2018

O 

Ounce, usually of weed; about 28 grams

I just bought an o, wanna have a smoke sesh?

O by mayanaze June 2, 2018

o 

a. A somewhat passive aggressive response to a very meaningful text message that you wrote when the recipient of the text doesn’t give a shit about it, similar to k.

b. When you’re in a group chat and two other people are having a conversation and you don’t know what to say, so you just say “o”.

c. Abbreviation of the word “oh”.

Person a: “... so I just think that’s very important for you to think about.”

Person b: “o”

Person a: *internally screaming*

o by treehugger7832 August 2, 2018

o 

An answer often given by grace barlow as a response to any question

o

o by WhereHaveYouJon January 5, 2019

O 

You know, one of the 5 vowels.

O

O by FriendoMudpuppy January 10, 2019

O 

When someone has insulted another and the onlookers are tryna fuel the beef

Bruh u cld eat dinner on ur sisters asshole it’s so clean

O

O by stabs boiiii March 5, 2019

O 

A way of fuelling beef

stop crying just cos u got friendzoned ite
O.

O by stabs boiiii March 5, 2019