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1. brain-fart
A total lack of recognition.
A silly mistake.
Can be stress related.
"I had a total brain-fart when she asked for my number."
by Fish Oct 15, 2004 add a video
2. brain-fart
An unwarranted interjection in an otherwise controlled environment.
Teacher: So you see, we now have only three weeks before the biology exams.
Student: That means I will only have three more driving lessons before my driving test.
Teacher: Uhh.
Student: Sorry sir, just a bain-fart.
by John Boon Apr 23, 2005 add a video
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