brain fart


Also found in: Dictionary, Medical, Encyclopedia.
Note: This page may contain terms or definitions that are offensive or inappropriate for some readers.

brain fart

colloquial A momentary mental lapse in attention, memory, understanding, care, or competence. Sorry boss, I just had a little brain fart there. What were you saying again? Jack, having a bit of a brain fart, accidentally sawed the beam completely in two.
See also: brain, fart