1. phrasal verb
A gunman fired off a volley of shots into the air.
Cecil now began to panic and fired off two distress rockets.
...an illustration of a guy firing a huge cannon off into the distance.
2. phrasal verb fire
If you fire off
a letter, question
, or remark
, you send or say
it very quickly, often as part of a series.
He immediately fired off an angry letter to his ministry colleagues.
Ordinary officers fired off a string of angry demands to the government, to improve
their pay, status, and conditions.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers