The exact origin of this recording is not widely documented, but the phrase has become a staple reaction clip on short form video platforms. It spread as creators began inserting brief spoken reactions between lines of dialogue to signal that something needed to be heard again. Unlike longer meme sounds, its one and a half second length makes it easy to layer over gameplay, vlogs and skits without stopping the pace. It remains popular because the question is instantly understood in almost any context.
About this sound
The What Did He Say sound effect is a short voice clip of someone reacting in disbelief, used in memes when a line is shocking, confusing or needs a replay.
A short spoken reaction, this clip captures a voice blurting out 'what did he say' in stunned disbelief. The delivery is quick, sharp and slightly incredulous, as if the speaker needs the previous line repeated immediately. It works as an instant pause in a video, freezing the moment after something outrageous, mumbled or unexpected has just been said. Viewers instantly read it as confusion and shock, which makes the original line feel even funnier or more suspicious on the replay that usually follows.