Mostly a French expression "armée mexicaine" in reference to the Mexican Revolution, where the Revolutionary Army, including many of its generals, was seen from the outside as composed mainly of peasants with no military training.

The phrase underlies the inability to lead with several inconsistent contractors, and especially an organization where everyone holds an honorary position.
That company operates as the mexican army!
by Fishing Fishy Fish October 15, 2020
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A phrase to be used when you are being chased by approximately eight people of Hispanic descent.
"Cop Out"- That scene when 8 Mexican gangsters chase Gabriella and the white cop says: "The whole Mexican army just chased Gabriella into the garage!"

the whole Mexican army is after us!
by darklord87 February 6, 2012
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