boom off

verb7

1. •
   To resound against (a surface).

   • The music boomed off the walls of the venue.
2. •
   to separate an area by placing a line of floating barriers or something similar around or across it, usually on water

   • They boomed off the oil slick.
3. •
   (slang) To shoot using (something); to be fired.

   • He booms off his glock as he enters the room.
   • The cannons boomed off.
4. •
   (slang) To explode (a door) to gain access.

   • The cops boomed off my door.
5. •
   (old-fashioned) To move away quickly.

   • The train boomed off to the west.
6. •
   (old-fashioned) To boom as a result of (something) (to flourish, grow, or progress).

   • The economy will boom off the exploitation of offshore oil.
7. •
   (old-fashioned) To blow off or brush off (somebody); to dismiss (somebody) as unimportant.

   • The bureaucrats can boom him off when he comes to them with ideas.