The phrase "big show" refers to a large or extravagant event or spectacle. It often implies that something grand, notable, or very impressive is taking place.
Sentences with «big show»
He may very well try again during the second - biggest show of the year. (sbnation.com)
Hopefully the «biggest showing ever» talk isn't just hype. (wccftech.com)
He supported me when I had my first big show. (nytimes.com)