shoot off

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shoot off (third-person singular simple present shoots off, present participle shooting off, simple past and past participle shot off)

1. (colloquial) To leave quickly

   I have to shoot off, my interview starts in under an hour.

2. (idiomatic) To do (something, usually a written or verbal communication) quickly, and without hesitation or forethought.
   • 2020 December 21, Bryan Lufkin, “How 'linguistic mirroring' can make you more convincing”, in BBC‎^[1]:

     In other situations, you might know someone who adds colour with personal anecdotes and feelings. You could shoot off a similar response – perhaps including a short story of your own to hammer home your point.

3. (television) To overshoot the bounds of a set when filming, showing part of what lies outside it.
4. Used other than figuratively or idiomatically: see shoot,‎ off.

   His arm got shot off in the war.

• shoot off at the mouth
• shoot off one's mouth

• offshoot