Gou tong is a common Chinese expression for agreement, often used in slightly formal speech and writing to mean I concur or that view is shared. As a soundboard clip it has no widely documented single source, and its life online comes from reuse rather than one scene. Creators lift the clean, sub second pronunciation as a reaction button, sharing it in meme edits, chat videos and short form posts where a quick, deadpan yes communicates more than a longer explanation ever could.