The story
Shortened from lunatic, and likely also from loon ("rascal", and also the bird) + -y.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Insane. Full definition →
Shortened from lunatic, and likely also from loon ("rascal", and also the bird) + -y.
Etymology from Wiktionary, CC BY-SA 4.0.