OM has 2 meanings
1. What does OM stand for?

Old man

OM stands for "old man," which may refer to someone's father, husband, or father, or just an old male. You will most likely see it in texts, emails, and online.

"Old man" is a common nickname for a person's dad that is a playful jab at the old age of the father. It may also be applied to a husband or boyfriend to make fun of their age and secured relationship status, as well. Or... it may also just describe a man who is, you know, old.


My OM wants 2 talk 2 me before I leave. Call u l8r!

An OM doing OM things, like playing chess in the park... against himself

Related Slang


Updated December 2, 2020
2. What does OM stand for in messages?

Oh man

OM is a simple way of exclaiming, "Oh man!" or "Oh man..." People may use OM on social media, in online messages, and in texts to indicate surprise, empathy, or worry.

For example, if you are watching a game and a player makes an epic blunder, you might tweet, "OM. He's gonna regret that for the rest of his life." Or, if your friend shares that their dog died, you might respond with, "OM, I'm sorry to hear that."


OM, someone's going to get in trouble

Michael Douglas with an OM moment

Related Slang


Updated February 20, 2023

OM definition by

This page explains what the acronym "OM" means. The various definitions, examples, and related terms listed above have been written and compiled by the team.

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