Well, cheerio, and good hunting, and all that sort of thing.
Then he bent over her hand in a fashion more courtly than the “cheerio!”
"Hello, old thing, cheerio and all the rest of it," Huntsman whinnied lovingly.
upbeat parting exclamation, British, 1910, from cheer.
Good-bye •Used as a conscious amusing Briticism: Cheerio, pip-pip, and all that! (1910+)