hit the deck

1. Also, hit the dirt. Fall to the ground, usually for protection. For example, As the planes approached, we hit the deck, or We heard shooting and hit the dirt. In the early 1900s the first expression was nautical slang for “jump out of bed,” or “wake up,” and somewhat later, “get going.” The current meaning dates from the 1920s.

Example Sentences

"The shot came straight at him," he said, adding that "everyone hit the deck" and "scattered".

From BBC

A former Utah congressman who witnessed the attack described to Fox News how "everyone hit the deck" and "scattered" after the gunshot was heard.

From BBC

A gritty defensive stand followed, with rookie Sarah Ashlee Barker and Collier hitting the deck for a loose ball, setting up another Sparks possession.

From Los Angeles Times

Her scoring in the final minutes — three decisive driving layups, one of which led to her hitting the deck again — helped fend off a comeback attempt and secure the win.

From Los Angeles Times

It was the first time Inoue, a man with 23 knockouts in 26 fights, had hit the deck.

From BBC