40 mike-mike

English

Etymology

From Mike (“the letter M in the ICAO spelling alphabet”).

Pronunciation

• Audio (General Australian):

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Noun

40 mike-mike

1. (US Army and Marines, military, slang) Any weapon firing a 40mm grenade. Often specifically the M203 grenade launcher, mounted underneath an M-16 or variant. In the Marine Corps, often the Mark-19 Automatic 40mm Grenade Launcher.