English Dictionary

brain fart

noun

(figuratively, slang, mildly vulgar) Something ill-considered and said or done impulsively. / (figuratively, slang, mildly vulgar) An instance of absent-mindedness or forgetfulness.

I had a brain fart during the exam and couldn't remember the answer.

意味（1）

(figuratively, slang, mildly vulgar) Something ill-considered and said or done impulsively.

This is love in the social media age. Candlelight dinner, fine wine, degustation, a lover's face scrunched over a phone screen live-tweeting brainfarts about the relationship to largely uninterested skim-readers.

意味（2）

(figuratively, slang, mildly vulgar) An instance of absent-mindedness or forgetfulness.

Sorry for the brain fart, but what exactly did you say again?