cap gun

Definition

A toy gun that fires small paper caps containing a tiny amount of explosive compound, creating a loud pop when struck. Popular children's toy that produces sound and sometimes smoke without any projectile.

Example Usage

The kid played cowboys and Indians with a cap gun in the backyard.

Origin

Developed in the 1870s, combining the concept of percussion caps used in firearms with a safe toy mechanism for children.

Fun Fact

Cap gun caps contain a small amount of silver fulminate or similar explosive—the same mechanism used in actual firecracker caps.

Source: Definition backfill (hailey)

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