Military slang for a "sensitive item" (ie weapon, GPS, radio) that has been lost in the field or stolen. Jokingly referred to as an Experimental MRE (Meal Ready to Eat) which are field rations.
Bravo Company lost an Experimental MRE. They're on lockdown until somebody finds them.
A meal or snack prepared prior to smoking or consuming marijuana products intended to cure the hunger (or munchies) and reduce the risks that come with cooking while intoxicated.
1: "Yeah I'm gonna whip up a marijuana mre before we smoke."
2: "Alright cool, hopefully that'll be enough to get rid of the munchies."
originated in Maynard, MA in the 1970s it first started by cling someone a meatball, then it turned into meatball to just mreet. It is used when someone does something stupid. it is also used as a greeting to other maynardians to say hi.
Bob scored for the wrong team, someone in the audience yelled, "mreet!."
Larry walked into the bar he was greeted by his friends with a, "Mreet!"