boom off

Meanings

1. To resound against (a surface).
2. To move away quickly.
3. To boom as a result of (something) (to flourish, grow, or progress).
4. To explode (a door) to gain access.
5. To mark off an area (of water, or sometimes land) using booms (a floating barrier used to obstruct navigation) or something similar.
6. To shoot using (something); to be fired.
7. To blow off or brush off (somebody); to dismiss (somebody) as unimportant.