Someone who doesn't know what leab means. It's a very meta word, because the only way to know what it means is to not be one.

It can be used to taunt, as you can only call someone a leab if they don't know what leab means, which can be frustrating.
"Hey you, you're such a leab!"

"Leab is the most meta word ever."
by Theantileab April 03, 2013

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