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GI
adjective
°Given to a soldier by the army (as an item), rather than brought from home; or used by the army (as a procedure), and different from its civilian counterpart.
"Soldiers counted cadence by chanting: “GI brush / And GI comb / Gee, I wish that I was home!”"
noun
°A member of the U.S. military.
°One who is demanding and strict, in the manner of a stereotypical member of the military.
verb
°To clean aggressively.
abbreviation