Today’s Idiom: Brain Fart
Try to use today’s English idiom, brain fart, in your next conversation!
If you forget what you’re talking about or some information, it’s called a “brain fart.”
(US expression)
Examples
1. I can’t remember what I wanted to ask you. I just had a brain fart.
2. Am I 36 or 37 years old? I can’t remember… brain fart!
http://www.pleated-jeans.com/2011/07/01/the-13-most-common-brain-farts-in-human-history/