sitrep Share definition Flag Army-speak. Short for "Situation Report". Given by a high ranking officer that claims he/she wants to either fil a situation report or wants one filed by a subserviant officer. Office: Private, what's your sitrep? Private: I've been shot in the privates! sitrep by H.T.J April 7, 2005 0 0 Get merch Get the sitrep mug. Buy Now — $32.95 See more merch