wheels up
adj.— «But the minute the last leader’s white-topped helicopter took off at the crack of dawn Friday—went “wheels up,” in the parlance of law enforcement officers—coastal Georgians rushed to resume normal summertime activities, such as basking on the beach instead of in the international spotlight.» —“The coast is clear; back to tourism” by Jingle Davis, Marlon Manuel in Savannah Atlanta Journal-Constitution (Ga.) June 12, 2004. (source: Double-Tongued Dictionary)
Further reading
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How do you transform ancient Chinese script for use in the modern age? English uses a keyboard with just 26 letters, but the first Chinese typewriter looked like a small table under a huge disk with more than 4,000 characters. A new book chronicles...