From Longman Dictionary of Contemporary English(out) on the town(out) on the towninformalSOCIALIZE going to restaurants, bars, theatres etc for entertainment in the evening Frank is taking me out for a night on the town. → town
Examples from the Corpus
(out) on the town• A night on the town for the boys.• But don't let that fool you - by nightfall people are waking up ready to go out on the town.• The others have gone out on the town.• Joy was a Saturday morning out on the town.• The next time I saw him, I was out on the town with Peter Mbalu-Mukasa.• Had trouble dragging yourself out on the town on Sunday night?• Nowadays, the battlefield is an opera stage, at Sebastiani Theatre on the town square.