Old school , old sport ! what do they mean?

Question

I've heard these words many times like;

bet you'll be there in time .. old sport !

what are these words?

Answer 1

I agree totally with Ziggy's answer.

Answer 2

I'll just add that those terms are usually used by older British gents.

Answer 3

"Old sport" is an older term for chap, or man.

Old school refers to the way things used to be in a certain topic. "Your writing is so "old school."