bluebird n. in business, an unexpected, very profitable, or easily made sale. Etymological Note: According to the Oxford English Dictionary, “bluebird” connoting “happiness” dates to at least as early as 1909. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
One of the most powerful words you’ll ever hear — and one of the most poignant — isn’t in dictionaries yet. But it probably will be one day. The word is endling, and it means “the last surviving member of a species.” The...