From Wiktionary, the free dictionary
Literally, “at face down”.
a faccia in giù
- face-down
2020, “Pilot”, in In difesa di Jacob [Defending Jacob], episode 1, Apple TV+:La donna che l'ha trovato ha detto che era a faccia in giù.- The lady who found him said he was face-down, she thought.
- (literally, “The lady that found him said he was face-down.”)
