The story
A calque of the German term Glücksdrache, coined in The Neverending Story (1983) (translated by Ralph Manheim from the original Die Unendliche Geschichte (1979) by Michael Ende).
Etymology from Wiktionary, CC BY-SA 4.0.
luck dragon
Today it means: A fictitious flying dragon with a giant, elongated, wingless body and commonly a canine head, unfailing in its serendipity. Full definition →