1. A roast beef sandwich at Arby's.
2. A vagina that resembles a roast beef sandwich at Arby's. (In more than just looks...)

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

Big Montana is a derogatory term in regards to when a girl who is a whore has so much vaginal penetration and wear n' tear, that she has vaginal folds that make her box look like an Arby's Big Montana sandwich.

The abbreviation "BM" means the same thing, but is normally used in order to get some strange at the bar or get a drunk chick to show you her vagina.

when a females vagina has large, meaty flaps. usually in a roast beef kind of color. see "beef curtains", "t bone flaps." simular to a second rate fast food chain's large roast beef sandwhich.

1. The largest of the Arby's Food chain Sandwiches.
2. A vagina that is loose and has been beat up like Grace Jones; lips are brown to brownish purple and resemble premium cuts of roast beef from a locally owned deli; sometime accompanied by Horsey Sauce.

A sloppy vagina, with meat curtains that run for miles. It hangs like sleeve of wizard and is so beat up that it looks like Roast Beef.

When someone is sleeping you spread your butt cheeks and stick their nose in your asshole and fart, then slap their face with your cheeks