young man noun2 •A term of endearment or admonishment by adults for a young boy.I can't understand you, young man. Can you point to which toy you want? •(old-fashioned) A male lover; a sweetheart."Lane Coutell. He's only been Franny's boy friend for a whole year. ..." "The expression is Franny's 'young man,'" he said, "not her 'boy friend.' Why are you so out of date, Bessie? […]" — 1957 formsyoung men