To wing it is to do something without any preparation. I had to wing it completely.
It is an admission rather than a boast, though it is often said with some pride. It comes from the theatre, where a part learnt hastily was prompted from the wings.
1phrasewing itTo do something without any preparation.
“The slides never arrived so he had to wing it for an hour.”
wing it is a phrase.
Practised in Idioms