When two men compete to see who can go the longest without ejaculating or masturbating.
"I'm in a Coomer-standoff with my friend right now, I can't bang you babe."
by Brednuts November 2, 2021
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Phenomenon where a person has to be subject to Ignominy to make someone else look bad for knowing about NSFW content by name.
In my group chat the other day, my friend tried to make fun of me for knowing a porn actor's name in front of everyone but fell for the Coomer's Riposte.

"How do you know who Mia Khalifa is?"
"Wait, how do YOU know who that is?"
by Hellen Keller Official December 30, 2022
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If you masturbate in an unlocked room, someone is bound to enter.
Person 1: Dude I just jacked in the utility closet, that NO ONE ever enters, but as soon as I started spanking it my boss walked in looking for something. Long story short, I lost my job.

Person 2: Dude, have you never heard of Coomers law? As soon as you started jacking someone was bound to enter.
by Anonymous Poopystain December 11, 2019
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coomer humor is not very very good sources of comedy, the ones who like this humor are losers and college men who should get a job and a life.
People who post this shit should be put in therapy or be killed in countries like Afghanistan or Mexico.
Coomer Humor Poster: *wastes all of his Chad energy on putting less effort on a rule 34 video
Chad’s Comment: I think that this video is stupid and unfunny

A Geek’s comment: “I THINK THAT YOU SHOULD LIKE RULE 34 AND PORN BECAUSE YOULL LOVE IT”
by TriggeringNerdsSince1799 June 10, 2022
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If you masturbate in an unlocked room, someone is bound to enter.
Person 1: Dude I just jacked in the utility closet, that NO ONE ever enters, but as soon as I started spanking it my boss walked in looking for something. Long story short, I lost my job.

Person 2: Dude, have you never heard of Coomers law? As soon as you started jacking someone was bound to enter.
by Anonymous Poopystain December 11, 2019
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