A cancer ridden hole that used to be a place where people could go post whatever they wanted to and say whatever they wanted to without persecution. It was once a dark place that most people refused to enter for fear of gore and child porn, a reputation the board earned within a few years of its creation due to there being no rules and very lax admins who just didn't seem to give a fuck. A place where people waged war against websites for socially normal people such as Facebook and 9Gag with internet raids and Denial Of Service attacks just for the fun of it. It was the most chaotic and fun board on the internet throughout most of the 00s.

Sadly that all changed just a few years back thanks to a group of legendary faggots known as Anonymous.

With the public recognition of Anonymous back in 2008 came the inevitable public recognition of /b/, with thousands looking up 4Chan to see where these new "heroes" had come from and what they saw did not please them. Almost all of these newcomers were disgusted by what they saw.

However instead of staying away from 4Chan like you'd expect these people to many of them stayed, flooding the board with tame and uninteresting posts that demoted this unique den of hatred and immorality as they tried their hardest to mold the board until it took the shape of any other regular internet message board and after 5 years they have succeeded.
Newfag:h3y wot is ur fav part about 4chon?!?!?!?!
Oldfag:4Chan stopped being interesting years ago along with /b/
OldFag:Not since Anonymous hit, now it's just like any other message board
Oldfag:Isn't it past your bed time?
by Tuco_the_Ugly October 04, 2013
Top Definition
/b/ is the guy who tells the cripple ahead of him in line to hurry up.
/b/ is first to get to the window to see the car accident outside.
/b/ is the one who wrote your number on the mall's bathroom wall.
/b/ is a failing student who makes passes at his young, attractive English teacher.
/b/ is the guy loitering on Park Ave. that is always trying to sell you something.
/b/ is the one who handed his jizz-drenched clothes to Good Will.
/b/ is one who introduced you first to Goatse.
/b/ is a hot incest dream that you'll try to forget for days.
/b/ is the only one of your group of friends to be secure in his sexuality and say anything.
/b/ is the guy without ED who still likes trying Viagra.
/b/ is the best friend that tags along for your first date and cock-blocks throughout night. The decent girl you're trying to bag walks out on the date, /b/ laughs and takes you home when you're drunk, and you wake up to several hookers in your house who /b/ called for you.
/b/ is a friend that constantly asks you to try mutual masturbation with him.
/b/ is the guy who calls a suicide hotline to hit on the advisor
/b/ is nuking the hard-drive next time someone knocks on his door.
/b/ is the one who left a used condom outside the schoolyard.
/b/ is the voice in your head that tells you that it doesn't matter if she's drunk.
/b/ is the friend who constantly talks about your mom's rack.
/b/ is the only one who understands what the hell you saying.
/b/ is someone who would pay a hooker to eat his ass, and only that.
/b/ is the uncle who has touched you several times.
/b/ is still recovering in the hospital, after trying something he saw in a hentai.
/b/ is the pleasure you feel guilty of when you tried playing with your anus during masturbation.
/b/ is wonderful.
by AnonymousIsWatching August 11, 2006
Bam to behold, a public bulletin board, built of both brilliance and barbarity by bastards with boners. This bastion, no mere bulwark of boredom, is a brutal barrage of blistering bullshit, barely benevolent... but behind the bigotry and boobs, beyond the bitter broadcasts of bragging buffoons: here be the body politic. A brotherhood of blasphemy, blessed with more balls than brains, battling the bland, the bogus, the benign. Bedlam? Bring it on. But I babble... better to be brief.
You may call me /b/.
by Speedie March 17, 2007
4chan's "Random" image board. A place where you go to become your inner asshole, or, live out your sickest fantasies.
"I'm going on /b/ tonight."
by Irne May 09, 2005
The Africa of the internet, sure there are a few gems but more likely than not you're going to leave scared, stunned, ashamed, and with AIDS.
I just went to /b/, now I've gotta go get tested at the clinic.
by ControversialMatt November 09, 2007
I went to /b/ today. OH GOD MAKE ME UNSEE IT
by qwerty123456asdfjkl July 10, 2008
/b/ is where the internet goes to die. Its a place where both God and Satan vow to stay away from. /b/ is where every internet meme ever ends up. /b/ is rule 34. /b/ in is my mind forever. You cant undo /b/, but you can undo your search history.

If /b/ where a city, it would be Manhattan. Beacuse its the only place newfags know about, and all the trash winds up there. But....
/b/is my life
I am /b/
by Anon now and forever October 03, 2008
The people before me need to read the rules
Hey, everyone! Would you like to know what /b/ is?
by Brad Stevens March 27, 2008

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