Little is known about the original recording behind Thecat123, and the name appears to come from a user-uploaded soundboard entry rather than a film, show or game. The clip has circulated as a small, shareable cat sound, picked up for short-form edits where creators need a quick pet-related cue without dialogue. Its short runtime makes it easy to drop into TikTok-style videos, group chats and meme compilations. Because it carries no clear source line to explain it, the humour depends entirely on the picture and caption it is paired with.