Top Definition
1. Braib basically means a brain of a very sleepy person when you are instant messsaging.
2. The brain of a very sleepy person: a turned-off brain.
xo0xallstarxo0x (10:10:19 PM): dont be smarticle with me plz, its late at nite and my braib dsnt function very well wen i am sleepy

by xoruberduckyxo79 October 21, 2009
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