zip gun

a homemade pistol, typically consisting of a metal tube taped to a wooden stock and firing a .22-caliber bullet.

Origin of zip gun

First recorded in 1945–50

zionism, zip, zip + 4, zip code, zip fastener, zip gun, zip line, zip-code, zip-in, zip-out, zipangu

zip gun

US and Canadian slang a crude homemade pistol, esp one powered by a spring or rubber band