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IB4TL is an acronym meaning "In Before The Lock." It's a 'game', of sorts, that people play in Internet discussion groups.

You will see this acronym used on web boards, blogs, forums, et cetera. Using it sparingly is a good strategy for boosting your post count. When you KNOW a discussion is about to be locked, you can throw a quick 'IB4TL' reply in there, and get credited as if it were a normal post, even though it is basically a useless, one-word observation.

While this is a dishonest tactic, it is generally acceptable to most moderators and admins, and the message is left to stand, as-is, towards your overall post count. High post counts are a status symbol on many sites.

The gamble is, if the thread isn't locked, it makes YOU look like a fool - a poor judge of character. Sometimes a moderator or admin will leave a discussion open, that would otherwise be locked, just to make YOU look silly. As I said, it's a 'game'...
Troll: hi just wanna to tell everone hear u suck

Member: Then why are you here?

Troll: cuz yall sux

Member#2: Can we knock it off, please?

Troll: i like to knock u off

Member: IB4TL!

Member#2: LoL! IB4TL

Troll: waz tha mean u gay or sumpin

Moderator: That does it! I'm locking this thread. Troll, clean up your act or you'll be banned!
IB4TL by VinDSL November 26, 2004
Related Words
IB4DL ib4l IB4TL ibdl
Usually used in forums where a controversial topic is being discussed. Opportunist posters will want to leave their mark by simply posting "IB4L" in the forum thread before the it is locked by forum administrator.
ib4l by halfway there July 18, 2006
in befo' da lock, often used as the last post before a thread is locked.
Sik posted ibdl before the e-fight was locked.
ibdl by Ajaxus July 29, 2006
In Business For Life.

1) Meaning that your job is rewarding and supports the bettering of humans.

2) Your job saves lives.
I enjoy being a nurse because I am ib4l.
ib4l by qwertyup June 5, 2009