Two different guys.
I’m sooo tempted…dare I? 
10K+ posts, a few warnings and a suspension. Where is my toaster!
Me too!
You too?!
Guess I’ll never know if make it. I never read The Pit, so I won’t know if I’ve been pitted. Well I guess someone might tell me.
It’s not the time I’ve been here, or the number of posts I have. I recently had someone reference a thread I started, like, 8 or 9 years ago. So even if 99 out of 100 posters have no clue who I am, or that I once simmered myself in a hot and frothy diarrhea frappe while drinking Miller High Lifes, *somebody * here does!
Therefore, I am established. I think the metric is different for everyone.
When Dex told Ed, “Damnit, it’s kayaker or me” and, well, you know the rest.
That’s when I knew.
I don’t recall what my post count is, but it doesn’t have to be an official warning. Having a thread closed will do as well 
I’ve met Quasimodem as well (and concur) but I don’t think he and Quasimodal are the same.
Also, I think another metric is when something about you becomes a board meme, e.g.
[ul]
[li]penis ensuing[/li][li]she said to Hal, sheepishly[/li][li]before saying “Bye, Opal” (:().[/li][/ul]
Of course if one later disappears from the board (I think the poster who created “penis ensues” hasn’t posted in a while) does one lose one’s “establishment”?
I always felt bad that person who actually said “Hi, Opal” doesn’t get remembered or credit for the board meme to nearly the same degree as Opal did herself.
Anyone remember who was the poster who created the meme, because I don’t right now.
But 99.9% of the board’s membership fails to meet this very lofty criterion.
The better test of “establishment” is if you’ve been posting long enough to recognize that these as “board-specific” memes. And if you know where some of the inside jokes come from (like that crazy colander thing that still pops up sometimes). They are usually only funny to those posters who were directly involved (which is why they are eye-rolly after awhile). But if you can trace them back to the original posters or threads, then I think you can count yourself as a “established” member.
I’d like to propose a new thread where individuals can post their own list(s) of people who have become “established,” whether they still post or whether they’re even still listed as members. From those lists we could develop a consensus list. I’d be surprised if that composite list wouldn’t top 200 people almost instantly.
There have been a whole bunch of “typical SDMB posters” over the going-on-12 years I’ve been around.
FWIW, I would label the ones responsible for Mama Zappa’s list as Legends and not simply “established posters.” Maybe we need at least two such master lists?
What if someone just made a massive poll?
It would have to be massive indeed! Go for it!
Depends on the forum, too. For instance, one of my favorite posters here is Colibri. He’s a font of information in GQ, and as a moderator there, too, probably one of the most established posters in that forum. But he rarely posts in GD, which I sort of view as the top of the heap in terms of forums here.
When you’ve been posting here for at least 85% of the board’s existence.
A classic newby mistake, combining two different posters into one.
I’ve had at least one thread closed, been here years, outed a troll with some real-life footwork[1], had one of my posts reported so many times the mods had to post clarifying it wasn’t breaking the rules[1], had a thread started about me by a 2001’er when I was in hospital… and I still don’t feel established.
I tend to hang out mostly in mini-rants though, so most of the GQ and GD crowd will have no idea who I am!
[1] Still proud of that one
My husband teases me that ya’ll aren’t real people, but I freakin’ know better by now. I’ve met at least 30 of you IRL (Michigan, New Jersey, Philadelphia, NYC) and you NEVER dissapoint. Some of you have become good friends off the board, I’ve got somewhere in the neighborhood of 10 Dopers as Facebook friends by now, some of which I interact with daily, and there are a number of people participating in this thread I wouldn’t hesitate to welcome into my home if they were passing through town.
For me I felt established when I could recognize myself as part of a community of actual people. If I had to choose only one group of people I had to draw from for friendship for the rest of my life, it would be Dopers, no contest.