A lively event or party:the company’s annual autumn wingding...
For 118 years, the sitting president nearly always has had the last laugh with closing remarks at an annual white-tie wingding called the Gridiron Club dinner.
Tonight is the big wingding where all the parents who have accompanied their daughters to Mississauga can get together and mingle at the hotel dining room over a $30 buffet-style pasta dinner and cash bar.
The past five years have been one big wingding for bonds.
Origin
1920s (in the sense 'spasm, seizure', especially one associated with drug-taking): of unknown origin.