Sergeant James Doakes is a character from the Showtime crime drama Dexter, which premiered in 2006, where he serves as a Miami Metro sergeant constantly suspicious of Dexter Morgan. Played by Erik King, Doakes became known for his blunt, confrontational manner, and short clips of his outbursts have circulated widely as reaction sounds and meme audio. This shut-up moment fits that reputation perfectly, which is why creators still reuse it to dismiss an argument, interrupt a rant or deliver a sharp comic shutdown in short-form videos.