A deviation of a Military slang for when a person is on their own thing.

SSgt: "We must be OFP again huh, Lance Corporal?

LCpl: "Being on my own motherfucking program IS my billet SSgt."
SSgt: "Oh really? We'll see about that during PT tomorrow."
LCpl: "I'll be OMFP then too SSgt."
SSgt: *RAGES*
by cm0 November 9, 2022
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Sienna Miller OMFP!

You are saying you would like Sienna Miller to sit on one's face.
by GunnyJP August 12, 2009
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