If you remember LaKeith Stanfield did not play a major role in Salt. His role was pretty much for that scene, however after the movie came out it was noticed everywhere. He attributes it to that segment of the film becoming a popular reaction meme and gif that people use in all sorts of contexts, whether it’s to show sudden sadness or a feeling of being worried, or to tell other people. online they mean it … get out. ; get out of the conversation, get out of their opinions, etc. Seriously, it’s a universal, functional reaction that LaKeith Stanfield unknowingly became a part of thanks to this movie.