Free-and-easy

He was […] none of your free-and-easy companions, who would scrape their boots upon the fire-dogs in the common room, […]

Source: wiktionary

The other passengers were three Norwegians, three fossil Englishmen, two snobbish do., and some jolly, good-natured, free-and-easy youths.

Source: wiktionary

He must have fancied me (from the racket I was making) as a sort of free-and-easy Hercules (which is not quite the case), if not as the whole football squad rolled into one.

Source: wiktionary

‘Then, perhaps,’ says I, taking the gloves out of my pocket, ‘you can tell me who cleaned this pair of gloves? It’s a rum story,’ I says. ‘I was dining over at Lambeth, the other day, at a free-and-easy—quite promiscuous—with a public company—when some gentleman, he left these gloves behind him![…]’

Source: wiktionary