Party blowers, also called party horns or blowouts, are simple paper noisemakers blown at birthdays, New Year celebrations and other parties, where the rolled tube unrolls as air is blown through it. As a sound effect, the short squeak has become a handy online shorthand for celebration, surprise and light mockery, because listeners recognise it instantly without needing any visual context. Creators reuse it in short videos, memes and reaction edits to signal that something deserves applause, even when the achievement is deliberately small or absurd, which keeps the joke working across languages and formats.