Sentence:  "Alright men. Lay your ponchos out on the ground and take everything out of your rucksacks. Empty your pockets, too. Everything goes on the poncho. Hurry up! We haven't got all day./ "You, Parker! <WSD>Unblouse</WSD> those boots. Do it! What's all this shit? Cans of Spam. Tuna fish. Nice try, Asshole. Okay, "everybody". <WSD>Unblouse</WSD> those boots." 
Meaning of the word marked with <WSD> tags:  To untuck (leggings from footwear); to make (pants or trousers) unrestricted or untightened at the ankle, often as a sign of rank or service.