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to book it
01
to run, leave, or move quickly, often to escape or get somewhere fast
Slang
What does "to book it" mean in speed slang?
The phrase "to book it" means to leave or run away very quickly, often to avoid something or reach a destination fast. The structure is informal slang where "book" functions as a verb meaning to move rapidly, with unclear origin but long-standing colloquial use. It is commonly used in everyday speech to describe sudden or urgent movement.
Examples
I saw the cops and booked it out of there.
