Dictionary.com

brain fart

[ breyn-fahrt ]
/ ˈbreɪn ˌfɑrt /
Save This Word!

noun Slang:Usually Vulgar.
a brief mental lapse, especially an instance of forgetfulness or confusion: I had a brief brain fart and introduced him by the wrong name.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of brain fart

First recorded in 1985–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for brain fart

brainfart
/ (ˈbreɪnˌfɑːt) /

noun
informal an idea that a person voices without much consideration, such as during a brainstorming session
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK