Gazillion (noun)

An extremely large number, greater than a billion or trillion.

Origin:

It is a hyperbolic term, not an actual number, and it is used to indicate an extremely large quantity of something.

Examples:

1. I'm telling you, I have a gazillion things to do today.
2. He was paid a gazillion dollars for that movie role.
3. We've been waiting for a gazillion years for this day to come.
4. There are a gazillion stars in the sky.
5. She's read a gazillion books in her lifetime.