The story
From the shape of a cat's ears resembling the wings of an airplane.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The folded ears of an animal (most often a cat) when they are irritated or angry. Full definition →
From the shape of a cat's ears resembling the wings of an airplane.
Etymology from Wiktionary, CC BY-SA 4.0.