Sacco di merda is a common Italian insult, and as a standalone clip it circulates online purely for its delivery rather than a confirmed film or show source. Short foreign-language insults travel well on soundboards because the emotion reads clearly even for listeners who do not speak Italian. This one gets reused in edits, streams and chat replies whenever something looks, smells or plays terribly. Its length allows the full phrase to land, and the unmistakable anger has kept it in rotation as a blunt, funny put-down.