(gay slang) A chicken hawk; an older man who seeks out younger men as sexual partners.

man, male person / (grammar) masculine gender

interest

young, juvenile / energetic, fresh / immature / lesser in an order, smaller, earlier

young / if

"my lord" (towards a young master or a young heir)

exclusive / specialty

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

if; supposing; in case

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend