1)A persuasive definition used by midwits and halfwits against the rational speech of their interlocutor who is showing superior analytical intelligence both in the decompositional sense of breaking down a concept into simpler parts and the regressive sense of working back to find more fundamental principles or reasons for assertions.

2)A persuasive definition used by individuals who are not good thinkers, and thus think in terms of overly broad principles that lack any nuance or detail against individuals applying the Socratic method against them.
John: Good humor is whatever people around you say is funny
Tim: What if you are around a bunch of sadists who get glee out of seeing the suffering of small children with cancer, and you make a cruel joke about their horrible condition, and the people laugh, does that make it good humor.
John: Ahh
Tim: Okay, what if you are around a bunch of small children, and you tell a fart joke and they laugh, is that good humor
John: You are sperging
Tim: No, I am not "sperging", I just have an attention to detail and nuance. Your original statement about what is good humor is seriously flawed, and you have shown that you have not thought about this very well. I have just shown that humor can't be overly hateful in the example of laughing about the cruel fate that these small children with cancer have, and I am also showing that good humor must have some degree of intelligence because schoolyard children laughing at a fart joke is clearly not good humor. If you let this method proceed we can get to a more sophisticated concept of humor like that defined by Aristotle as "educated insolence". With your line of thinking we would always be stuck thinking that water boils at 212 degrees Fahrenheit, because we never go to "higher altitudes" to get a breadth and depth of perspective which causes us to get better explanations like boiling occurring when atmospheric pressure equals vapor pressure.
by Philopolemos July 8, 2022
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A super neat-o swamp/magical land that is perfect for doing anything illegal behind the cemetery Rest Haven in Hagerstown, Maryland.
Coooolguy: Hey man, want to hit up Sperg later? I got some Earl Sweatshirt, and DAAAAMN dat shit is potent.

RageQueen: AW SHIT MAN, let's go to Sperg NAO.
by Berfaknee April 4, 2011
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Normally a word used to speak about someone who is mentally challenged. There IQ is usually below 12 and the regular names are: Danny, Vapor or Mashay
Danny is such a sperg. He cannot get a single 2 tap.
by MfGucciGangsta January 26, 2020
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super6actual
by plageo9999 April 11, 2022
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A person who falsely labels someone alt-right when they don't know what it means, will lie and smear without evidence, will ignore counter arguments. Probably lives with their mom. Smell like an alcoholics carpet
The mainstream media are alt-sperg
by Killmenow724 August 19, 2018
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To reveal the depth of a nerdy, trivia-centered hobby or obsession in an emotional way. This includes debating with other nerds about tiny minutiae and becoming agitated in the process. Most internet forums and wikis could not survive without people sperging out all over the place.

'Sperg' comes from Asperger's Syndome, an autism-spectrum disorder that can manifest itself in obsessive behaviour, and which is commonly self-diagnosed by spergin' nerds who can't otherwise explain away their broken personalities.
Todd sperged out on a massive scale, writing a seventy-page Wookieepedia entry about lightsabers all by himself. The writer of this UrbanDictionary entry sperged out by writing a definition of 'sperg out'.
by Assburgerz December 15, 2009
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Someone who is involved with the happenings of the YouTube commentary community to an extreme, almost obnoxious degree. They spend a lot of time ranting ("Sperging out") about petty drama and have extensive, often unnecessary knowledge about said dramas.

Said people often have no life outside of the internet and spend their spare time in commentary discord servers or calling into livestreams to "Debate" others on recent drama, Despite Usually having no following of their own. Often, commentary spergs are used by the YouTubers themselves for information about events in the community.
Person one: I just found out that in a 2018 livestream, *Youtuber* made a negative comment about Keemstar-

Person two: You're such a commentary sperg.
by metaz January 19, 2023
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