A sign that someone is not who they say they are. Or in this case, basically a flag that someone is talking about macro without understanding what they're saying.

Scene Explanation: This specific moment takes place during the tense basement tavern scene. The character shown from the back raising his fingers is Lt. Archie Hicox (played by Michael Fassbender), an undercover British officer posing as a German soldier. He is ordering three glasses by holding up ...