The letters o (oscar) and m (mike) of the military phonetic alphabet which when used together indicates that a unit is "On the Move" or sometimes, "On Mission."
Headquarters ordered us to relocate our fighting positions AGAIN today, so we are fucking Oscar Mike. Goddamnit.
Infinity Ward's new favorite fetish word. Implemented in everyday or formal use, in any circumstance, at any time, wherever IW thinks it sounds awesome and also rad. Used similarly to shalom or aloha- can mean "hello," "goodbye," "peace," and "please find a tent, marshmallows, two Model 1887 shotguns, and an M16 and camp for entire matches at a time."
Baseplate: Task Force Fire Team Bravo Six Marines, this is baseplate. The convoy is oscar mike. Repeat, the convoy is oscar mike.
Sgt. Cpt. American Thunder: Acknowledged, baseplate, the convoy is oscar mike. Task Force Fire Team Bravo Six Marines is en route. We are oscar mike, repeat, we are oscar mike.
Baseplate: Oscar mike oscar mike oscar mike.
on the move, leaving soon, leaving, moving out.
were oscar mike; were oscar mike in 5minutues.
In the Military phonetic alphabet Oscar Mike means "On the Move"
Squad Commander: "We are taking heavy small arms fire and are taking heavy casualties, We need to Dust Off ASAP, How copy!?"
Pararescue: "Roger, we have a Huey Oscar Mike to your AO
A word used by badass people like Sgt. Foley (voice by the even more badass Keith frickin' David) that means "On the Move"
"Bravo Two here, we are Oscar Mike"