[melicerte]

Confetti cannon is a thing. So there is an obvious link between confetti and cannon. Furthermore, These ("cannon" and "conffetis) are two very common concepts used in a single sentence.

Excuse me for being genuine but I totally fail to understand how original the phrase is.

[bloaf]

Why don't you come up with an example of a new phrase with the same meaning that is actually original so we can compare your "real" originality to this "fake" originality?

[Capricorn2481]

The dazzling ribbons, stripped from the corpses of trees, shot out of the pressurized tube