Wiktionary
silvertail
n. (context Australia slang English) A wealthy person.
Usage examples of "silvertail".
If he had Denny's money, which he hoped to have some day, he would buy himself a penthouse right on the water at Point Piper or Double Bay, right there amongst the silvertail snobs, and he would shove it up their noses every day, metaphorically speaking, of course.