Originally an onomatopoeia, it derives from the noise of screeching car tires. Has become an exclamation of surprise, especially in reaction to observing someone else get hurt.
Man in movie falls off a building and lands face-first on a flag-pole.
Viewer: "Sturge!"
Damn bro I didn’t know tanisha was really fucking with that brain surgeon, you think if I got rid of my yee yee ass haircut she’d stop fucking with him.