Improvise, as in The interviewer had not read the author's book; he was just winging it. This expression comes from the theater, where it alludes to an actor studying his part in the wings (the areas to either side of the stage) because he has been suddenly called on to replace another. First recorded in 1885, it eventually was extended to other kinds of improvisation based on unpreparedness.
Words nearby wing it
How to use wing it in a sentence
To borrow an old right-wing talking point, these people are angry no matter what we do.
There is, however, a separate wing of AQAP designed to inspire their followers to conduct attacks against the West.U.S. Spies See Al Qaeda Fingerprints on Paris Massacre|Shane Harris, Nancy A. Youssef|January 8, 2015|DAILY BEAST
He sometimes surmised that it was because he was too outspokenly identified with the diminished liberal wing of the party.Ed Brooke: The Senate's Civil Rights Pioneer and Prophet of a Post-Racial America|John Avlon|January 4, 2015|DAILY BEAST
Limbaugh makes comments like this because his right-wing fans require a non–stop diet of race-baiting red meat.
In other words, this is a very small vast-right-wing-conspiracy.How Canadian Oilmen Pinkwash the Keystone Pipeline|Jay Michaelson|December 28, 2014|DAILY BEAST
Done, says he, why let fifty of our men advance, and flank them on each wing.
His idea was that there would be ample time later to order a concentration on either wing or on the centre.Napoleon's Marshals|R. P. Dunn-Pattison
As it was he had to press Nejdi into a fast gallop before he could clear the left wing of the advancing army.The Red Year|Louis Tracy
The male Black Redstart has also a white patch on the wing caused by the pale, nearly white, margins of the feathers.Birds of Guernsey (1879)|Cecil Smith
I watched him wing his god-like way up through the still, soft air till he was lost to view.Uncanny Tales|Various