No widely documented source is attached to this short Liam clip, so it is best understood as a reaction sound that circulates on its own rather than as a line from a known show or film. Short voice announcements like this spread because they are easy to drop into edits, instantly understood, and flexible enough for gossip, confession, and comedy. Its staying power comes from that simple setup: a named person and an untold story invite the audience to keep watching. As long as creators keep using teasing intros, this kind of brief announcement remains useful.