“Ordering in,” what you do to important diplomats after an affront by their country. They can try to explain what was meant. You can express displeasure and show voters you are responding to an event that is important.
German media regularly report that this or that ambassador has been “ordered in,” e.g. to the Foreign Office, in response to such-and-such an event. But I think U.S. reporting of these matters only begins when diplomats are expelled from a country, which may be why it made sense to so many Americans when George W. Bush announced we were no longer going to talk to regimes we had serious differences of opinion with.
(EYE n beh SHTELL en.)