have the attention span of a mosquito

have the attention span of a mosquito

To be easily distracted. My son has the attention span of a mosquito, I swear. If I tell him to do something, he forgets about it almost instantly! We all have the attention span of mosquitoes after so many years of multitasking.
See also: attention, have, of, span
Farlex Dictionary of Idioms.
See also:
  • have the attention span of a gnat
  • span
  • swear down
  • swear
  • one's mind went blank
  • (one's) mind goes blank
  • stain (something) with (something)
  • stain with
  • a senior moment
  • senior moment