When you haven't eaten in a while, and then you become really angry/mad. That's why it's "hangry"- hungry + angry.
"Man, I've been waiting for half an hour for that burger, I'm so hangry! The service at this restaurant is trash!
A rock that is big, and is usually green and black. It is a mineral, and is usually expensive. There are a lot of fake jade rocks.
Wow dude, that jade rock is huge!