Ethan O’Brien Syndrome

To be a fucking fatass idiot who loves to suck men off
Hey kid, u have Ethan O’Brien Syndrome
by XxxFatacionXxx May 16, 2019
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SEAN O’BRIEN LIKES DARCEY

Like literally the biggest crush ever. He would bike 11 hours to the Hague for her

The love is in the air
Man i wished i loved my girl like SEAN does
SEAN O’BRIEN LIKES DARCEY to the moon and back
He really is a legit jigga
by tylerddier November 22, 2021
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When someone pretends that they're a physicists and through their work they determined that we perceive certain frequencies as louder or quieter when the actual loudness of the sound goes up or down.
Wow that guy is using "The Baxter-O'brien Maneuver" He's not a physicists who stumbled upon that phenomenon! That was Harvey Fletcher and Wilden Munson. This guy is just a nerd who lies. I cant believe he's really using The Baxter-O’brien Maneuver
by CreativeThinking April 23, 2022
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O’Brien

Noun

1. An act of betrayal or snitching which involves reporting to a higher authority, such as the police or FBI.
2. A pejorative used to refer to someone suspected of being an undercover cop, or someone who turns out to be an undercover cop.
3. A traitor to you or your friend group.

Origin:

Derived from the character O’Brien from George Orwell’s 1984, whom is known for betraying the main protagonist by reporting him to the thought police. First point of usage in this context is unknown.
Person A: You ain’t gonna pull an O’Brien on me, right?

Person B: Hell nah! I hate those government cronies, you’re good!
by Asriel___LOVER November 23, 2023
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Anabel O’Brien

Anabel O’Brien is a 14 year old actress from Ireland, Anabel is known for her roles as Rose in I see the roses (2019), Alice in The Dark Forever Winter (2020) and Callie in Man Haunt (2021).
A famous teen actress from Ireland is Anabel O’Brien.
by Irish actress November 01, 2021
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O’Brien’s Law

You think Murphy’s Law runs strong on your bad days; my cousin’s bad luck runs on OBrien’s Law. His bad luck runs so deep it makes Murphy look like an optimist!
by ctjstr September 08, 2021
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Oona O’Brien

An oona O’Brien is a silly girl who is an edge lord
by February 22, 2022
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