A fork of Rural Dictionary
onm stands for the phrase "on me" and is slang for down south areas
dude: bro our math teacher is annoying friend: onmmm
ONM is an acronym of "Oh, Never Mind"; typically used in texting. It basically means "oh forget it". Not typically used with sarcasm.
Ann Marie - "What did you mean when you said I could help you?" Steve - "ONM. I finished it myself."
The understanding within a person or persons about any particular subject regarding everyday life.
I told my homie I needed to make a run to the store, he replied “ OnMe I need to get something too”.
or Official Nintendo Magazine. A fanboyish magazine where a bunch of pricks review games on nintendo consoles, if the game is made by nintendo and ONM review it it's almost guarenteed to score over 80% It also has a forum that coincides with it and is full of a bunch of 10 year old cocks and 40 year old paedos 'Steven666'. The mods are all cunts aswell.
Dude 1: You still buy ONM? Dude 2: BAHAHA As if I buy that shit. Dude 1: Well do you still go on the forum. Dude 2: Witht he pricks that are on there, no thanks. Dude 3: ONM IS SHIT.