Make sure I'm bombproof.

- The joint is bombproof, electrified...

The depository's impregnable. The joint is bombproof, electrified, lousy with...

I'm going to the Intersect room. It's bombproof.

It was a bombproof shelter. So you should cheer up, it's safe in here.

To be safe to ride a horse, it needs to be bombproof.