Some TV commercials launch catchphrases that stick around long after the original ads. The exclamation Good stuff, Maynard! is still a compliment almost 40 years after it was used in a commercial for Malt-O-Meal hot cereal. And: what do you call...
blue-sky v. to imagine or propose unreasonable or as-yet unfeasible ideas. (source: Double-Tongued Dictionary)