In Chinese Astrology being born in a certain year gives you a certain animal sign. Being born under the sign of the Snake would mean the person lives a very charmed life.
Luck seems to follow the Snake no matter where they go or what they pursue.
Especially matters of money the Snake has much luck. Playing the lotto and making good investments is usually with the sign of the Snake. Throughout their lifetime they will have more than enough money to survive on. They live the easy life in most cases. With their luck in money matters, it leaves them with lots of free time to pursue social matters.