good-looking in a heavy Roman way

[meliss]

Hi. I can imagine somebody good-looking in a Roman way, but the "heavy Roman" really perplexed me. What does it add to Roman way of being good-looking?
"Clive was a very big man, good-looking in a heavy Roman way, and just beginning to get fat."(Sally Bowles, Christopher Isherwood)

 

[SoothingDave]

That they're not the body type that is light and skinny.