(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.

plural of open mike

plural of Metal Mike

Third-person singular simple present indicative form of mike up

plural of power mike

plural of Big Mike

(transitive, informal) To fit a microphone and transmitter to (a person). Usually for television performers, or for police informers.

(slang, cooking, humorous) A microwave oven.

(nonstandard) Alternative spelling of open mic

(juggling) A pattern, usually done with three balls, which consists of throwing and catching each prop under one's non-throwing arm.