Definition

Data On Previous Engagements—the collected information about ballistic performance, environmental conditions, and adjustments needed for accurate long-range shooting. It's the sniper's cheat sheet, minus the cheating.

Example Usage

The sniper consulted his dope book to adjust for the 800-meter shot in the crosswind.

Origin

Acronym that emerged in modern precision shooting culture, though possibly a backronym for existing slang meaning 'information'

Fun Fact

A sniper's dope book is so valuable that it's often considered more important than the rifle itself—weapons can be replaced, but years of collected firing data cannot.

Source: Precision marksmanship and sniper terminology

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See “dope” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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