crash dive(redirected from crash diving)
1. noun A sudden descent, typically in an emergency situation. The phrase is usually applied to submarines and airplanes. Engine two is out, prepare for a crash dive!
2. verb To make such a descent. My brain could barely comprehend that the our lives were in danger before the plane started to crash dive.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.