big-lipped alligator moment

Meaning

Noun

• A scene in a movie or similar work that appears with no buildup, is unusual even by the standards of the work and is never subsequently mentioned.

Origin

• Coined in a Nostalgia Critic review of FernGully: The Last Rainforest, referring to a scene in the film All Dogs Go to Heaven where a big-lipped alligator breaks into an Esther Williams-style musical number.