dash a letter off

dash a letter off

To quickly write and send a message (to someone). At the very least, you should dash a letter off to Aunt Mildred and thank her for the gift.
See also: dash, letter, off
Farlex Dictionary of Idioms.
See also:
  • dash
  • dash a note off
  • dash over
  • a bread-and-butter letter
  • bread-and-butter letter
  • dash off
  • dash off (somewhere)
  • dash down
  • a Dear John letter
  • Dear John letter