Moniker with a dual meaning
1)an unusually thrifty person of Asian descent;
2)an Asian man with a heart of gold.
A combination of a Jewish name (e.g., Goldstein), and an Asian name (e.g., Chen)
"You only paid that much for your car? Damn GoldChen, you got a good deal."
Also, "you only paid $1000 for your car?, Damn Goldchen, you are cheap!"