Baby babbling sounds like goo goo have been used in comedy and cartoons to signal innocence, surprise and childlike silliness, and short clips of them have become a staple of online soundboards and meme editing. Creators reach for this kind of sound when a visual joke needs an instant, wordless reaction that anyone can understand without context. Its appeal comes from contrast: a soft infant voice placed over adult behaviour or everyday fails makes the scene feel lighter and more playful. Because it is short and instantly recognisable, it keeps working across TikTok, Reels and short-form edits.