{adv.} or {adj. phr.}, {informal} In or into a town to celebrate; having a good time or enjoying the amusements in a town. * /When the sailors got off their ship they went out on the town./ Compare: PAINT THE TOWN RED.
ON THE TOWN
Meaning of ON THE TOWN in English
Dictionary of English idioms . Словарь английских идиом. 2012