When someone goes on a long, in-depth, overly elaborate explanation long after everyone already gets the point, but will not fucking end. You get the point, but the person continues to explain their point, and often times stutters and stammers whilst doing so.

The explanation often times has to be cut off, or tails off if they realize that no one is listening to them any longer.
The definition above this is an example of "sperging out."
by slyscafe September 29, 2010
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i sperged all over my gf's face after i was done fucking her.
by austin March 19, 2005
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When someone behaves ignorant to perceived social cues like someone with Asperger's syndrome. Someone who does this frequently could be called a sperg.
All you have to say is 9/11 was an inside job, and Jeff will sperg out about government conspiracy and jet fuel for like 45 minutes.
by BajingoDan September 8, 2018
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Cult Sperg: An individual in a group, who idolizes a charismatic leader (who uses thought reform and financial or other exploitation), who takes to social media and other internet outlets to throw tantrums against any and all people who slightly criticise their beliefs or their leader.
Common usage to refer to a small group of extreme hard-core Star Citizen gaming fans, a phrase popularized by popular software developer Derek Smart.
by cgam October 28, 2015
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Behaving like someone with Asperger's syndrome, or needing to go home and shut yourself off from all human contact for a while.
This party is way too crowded. I feel like going home and sperging out for a while.
by Howdykitty January 15, 2011
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Retreat from the world after having had a too human intensive experience, usually to eat Cheetos and play mind numbing MMORPG's, or else sleep until 12:00 AM, when it is time to eat Cheetos and play mind numbing MMORPG's.
Thanksgiving with the family was great mom, but I really need to go home and sperg out now before I start taking apart your vacuum cleaner and telling Uncle Sid he really really really really needs to do something about his clicky dentures.
by Cookieknits March 13, 2013
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