Old = 10 years older than you are.
Fat = 20 pounds heavier than you are.
If they are hawt, gay men are young until 25. They may remain young-looking through their early 30s, but they're fake-young, not young-young.
Men in their 30s are not young but may be vital and still hawt.
It is a rare man who remains hawt after 40, by which point he is officially old. But if he's hawt and has sizemeat, it's okay.
As for the fats and fuggos, age is irrelevant. Sort of a blessing, I guess.
Up to age 33. Worked for JHC, Evita, Belushi, etc.
The real MPC would never use the word "hawt." Just sayin'. Nor is she into twinks; she ONLY cares about sizemeat, preferably uncut Latin pinga.
When they have to stand on a stool for me to fuck them.
I will go with the legal definition - 18 years.
If you are old enough to vote, drive and fight in the army, you can no longer call yourself young.