1. A prominent member of 4chan's /b/ board.
2. A mindless noob who invades innocent sites for fun.
3. A lover of furries and scat porn.
4. One who dwells in the asshole of the internets.
That guy is such a /b/tard.
/b/tards give the internet a bad name.
All /b/tards are pedophiles.
by Thelostcup August 29, 2006
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One who joins other internet superheroes in the poasting of content on /b/. A true /b/tard knows all the memes of the land and is disgusted by nothing. A true hardened warrior.

7chan, 4chan, iichan, 12chan, that crazy russian /b/. It doesn't matter. We are one. Anonymous does not forgive. Anonymous does not forget. We are legion. We are Anonymous.
"Holy titanic hermaphroditic shitting dick nipples Cock Mongler, I must be a /b/tard."
by Conductor Cat November 11, 2006
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Someone who trolls the internet nerd gathering of 4chan.org. Basiacally it's where they all go to be n00bs and tell people off for how n00bish they are.

They get hihgly offended when you dis their random board.
by CASH SMASH RASH. September 17, 2007
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because the idiots above pissed me off, here is what a /b/tard is:
a /b/tard is one who actively posts or lurks on the /b/ board at either 4chan.org, notfourchan.net, 7chan.org, 12chan.org, iichan.org, ebaumsworld, ytmdn or countless others. to those who it concerns, yes in writing this i am breaking rules 1 and 2, but you will get over it.
there is so much more to it than this, but that is all you need to know.
/b/ does not exist. Move along, sir.
a /b/ tard is the guy who tells the cripple ahead of him in line to hurry up.
a /b/tard is first to get to the window to see the car accident outside.
a /b/tard is the one who wrote your number on the mall's bathroom wall.
a /b/tard is a failing student who makes passes at his young, attractive English teacher.
a b tard is the guy loitering on Park Ave, the one that's always trying to sell you something.
a /b/tard is the one who handed his jizz-drenched clothes to Good Will.
a /b/tard is one who introduced you first to Goatse.
and so on and so forth
by xak December 15, 2007
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those whose lives revolve around the /b/, or "random" section of 4chan.

see also btard and /b/tard.
"ah fuck, we're surrounded by b-tards"
by STEPHASAURS April 18, 2007
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some one who is on b, and is a moron, hence retard + /B/.
Dude, that /B/ tard said that his dick is bigger than a skyscraper.
by cab114 August 20, 2011
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a b tard is a person who likes sheep a lot.
it is commonly known as rhys waring
i saw rhys the other day with a sheep

dude hes a total b tard
by dazzer99 March 12, 2008
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