The phrase "old chap" is a friendly term used to refer to someone, usually a man, in a casual and informal way. It's like calling someone a friend or buddy. Full definition
Long gone are the days when supporters were getting behind the team on every loss, gone are the days when you heard the best stories in the corner pub from old chaps knowing every minute played by your favourite team. (justarsenal.com)
oh forgot and by the way to be politically correct...... Thanks for the good times and I mean it but time to go old chap. (justarsenal.com)
I'm a black Canadian man, 62 July 6, regarded cover boy handsome, muscular, a bit beefy - five - nine, 200 lb., 18» biceps, though like a LOT of older chaps, I'm attempting to shed 15 - 20 lb. (Mexicandatingo.com)