English

Noun

old sport ‎(plural old sports)

1. A term of endearment used to a friend.
   • 1925, F. Scott Fitzgerald, “chapter VII”, in The Great Gatsby, New York, N.Y.: Charles Scribner's Sons, OCLC 884653065:

     "Why not let her alone, old sport?" remarked Gatsby. "You're the one that wanted to come to town."