The Alternative English Dictionary: 40 mike-mike

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Entry definition

40 mike-mike
noun: {{en-noun}}
  1. (US Army and Marines, military, slang) Any weapon firing a 40mm grenade. Often specifically the whether mounted underneath an M-16 or variant. Often in the Marine Corps, the "40 Mike-Mike" is slang for the Mark-19 Automatic 40mm Grenade Launcher.

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