If you win big, but don't take the time to talk to a lawyer and an accountant to see where the best place is to keep your money, yeah..............you can lose it pretty quickly.
Knew a woman up here in Amarillo who was dating one of the guys I worked with, and she ended up winning around 50,000 dollars. She got so excited that she bought a whole bunch of crap she didn't need but wanted, and was back to living paycheck to paycheck around 8 months later.
Not only do you have to be lucky to win the lottery, but you've got to be a bit patient and smart if you want to survive it.