Brain fart

A sudden lapse of memory or judgment usually the result of ass gnomes dwelling in your mind cave.

Person 1: Hey baby

Person 2: What!?
Person 1: Oh sorry I thought you were my girlfriend
Person 2: what im a guy!
Person 1: uh errr (realizes it is unmistakably a guy)
Person 3: Don't get upset, it appears he is having a "brain fart"

Person 1: A brain fart?
Person 3: yes a brain fart, see they happen when ass gnomes dwell in your mind cave, causing disruption to your brain juice

by Thecaveofgreatness August 21, 2010

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Brain Fart

When you mean to do something really obvious but then you forget what you were doing and end up doing something something completely different. i.e, when you have a wrapper in one hand and food in the other, and throw away the food and try to eat the wrapper.

Brain Fart:
Person 1: Man, I had such a brain fart today.
Person 2: What did you do?
Person 1: I was holding food and a wrapper and threw away the food and tried to eat the wrapper.

by nv2001 February 09, 2015

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Brain Fart

When you are attempting to remember something very obvious, someting that you know you should know. This feeling often leads to head banging and hair pulling.

bobby raised his hand to answer the teacher's question only to find that he had had a brain fart, and he was unable to answer 2+2.

by David Peterle December 11, 2006

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