crash dive

idiom

An emergency maneuver by a submarine in which it suddenly descends, especially to considerable depth, usually in order to escape an attack or avoid a collision.

Anchors to

crash
dive

Related idioms4entries

01
crash course
A quick, intense course of learning, especially one which is informal or hurried.
02
deep dive
An in-depth examination or analysis of a topic.
03
dive in
To start a new endeavor enthusiastically and wholeheartedly.
04
take a dive
To feign a knockout in order to lose intentionally.