When annoying or self-righteous nerds rage on internet message boards about some arbitrary way they've been slighted or inconvenienced somehow, for both legitimate and trivial concerns. Commonly phrased as "Seethe more, ____-(deragatory)." Often used in regards to videogames, social commentary, and politics. Used as a form of ridicule to fluster or frustrate someone who is already irate, mockingly inviting them to further perpetuate expressing their dissatisfaction online.
"My rent is nearly $3000, this is totally unsustainable to live." "Keep seething, cityf**."

"Using STR builds in pvp takes no skill since you only need to land a few hits to kill your opponent, it's a crutch." "Seethe more, DEXf**!"
by ratquasedea March 18, 2020
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A phrase usually used as an argument shut-down phrase by people lacking rhetorical skills when they realize they are on the loosing end of an argument, generally associated with 4Chan, gaming and political arguments. Usually used in conjunction with "cope" and "mald."

Note: Usage of it in a serious discussion usually completely discredit's the speaker's argument.
Person 1: "Why is this so funny to you!? that is literally an image of a dismembered human corpse, its not not even a meme!"

Troll: "Seethe about it."
by Idunnowhattoputinhere November 14, 2021
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In terms of liquids, seethe means to bubble up as a result of being boiled.

In terms of people, seethe means to be filled with intense and often unexpressed anger.
I seethe at the fact that this miserable piece of shit still draws breath after everything he’s done!
by Kewig95 January 13, 2018
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Used to quickly shutdown an already concluded argument, usually used in conjunction with " cope " after making your point in opposition to what someone else stated, thus effectively pissing then off, but not necessarily.

A play on the actual word, which is to say someone or something is steaming hot.
Angry Poster: wtf you can't say that! Fuck you bitch!! I'll kill you for insulting my idol!!!

Troll: lol seeth and cope lol
by Hoxhaist July 7, 2021
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when you can't confront reality so you lie to yourself (cope) and get extremely angry about it (seethe)
Person 1: "the earth is fucking flat, you're just brainwashed by the elites who are trying to hide the true nature of reality to control us, you absolute fucking dumbass"
Person 2: "lmao you're coping and seething"
by cheese toastie with pickles November 25, 2021
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A guy that is a total dick and is very bipolar.
"Did you see her boyfriend? He's such a Seeth.
by Banxshee November 16, 2015
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The phenomenon of seething in rage, slinging personal attacks, and verbally flailing around like a drunk which occurs in members, supporters or benefactors of Antifa when they hear someone bring up the existence of Antifa in any facet.
Woah dude you should have seen the Antifa seethe I witnessed earlier when I brought up Antifa members loving crime and theft. The person was slurring and drunk but I’ve never seen rage like that before. They started hurling personal attacks and screaming something about capitalism before I tuned them out.
by August 23, 2023
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