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A shitty forum that has become wildly popular. It is full of child porn images and the origin of many of the shitty internet memes that seem to be oh so popular these days.
Person 1: Hey, did you see that picture of the naked 12 year old having sex with a rhino on 4chan yesterday?
Person 2: Oh yes, I did. She accidentally the whole thing!
by itsmeyay August 26, 2009
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23
A meeting place and breeding site for the utter dregs of humanity. A festering polyp in the dieing colon of society.
my god, the people who go to 4chan would frighten even Charles Manson...
by jormungaund April 12, 2008
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25
A message board and image board on the Internet where people congregate to post various kinds of pictures, flash animations, and discuss things such as anime. It is the English version of the original Japanese board with a similar system: 2chan.

The system that 4chan uses is Anonymous, so one can safely post one's opinion without worrying. One can use a name and a tripcode (a # followed by a 'password') to gain 'status' on 4chan.
Did you see that insane Flash movie on 4chan?
by a_grilled_fish January 11, 2005
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26
This is where the trash of the internet come out to play. What they post is exceedingly derogatory and immature. Most people, the completely sane minds, would not stray too far into it.
4Chaners should not have their own website to expoloit what they do.
by XoXKissuOxO June 07, 2009
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27
A place where eunuchs congregate to curse at and insult each other. Basically a hangout for the mentally retarded and socially outcast.
Guy 1: I went to 4chan's random base and people were posting pics of guys sucking their own dicks.

Guy 2: That's fuckin' faggotry shit, yo.

Guy 3: No fuckin' shit.
by Dude Regular March 03, 2011
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28
4 chan is a place for the minds of the greatest autists to sit down and do something with their time
by Ljones23 April 24, 2018
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