boomy

adjective3

1. •
   (informal) Characterized by heavy or undesirably loud bass sounds.

   • If you're miking a boomy acoustic, the proximity effect can work against you, but having it on a thin-sounding arch-top can work for you. — 1999
2. •
   (informal) That booms.
3. •
   (informal) Of or pertaining to a financial boom, resources boom, baby boom, etc.

   • Tacoma was literally staggering under a boom of the boomiest. I do not quite remember what her natural resources were supposed to be, […] . — 1880