The Heavy Jack Bird #3 - Woo-hoo

Dictionary.com defines Woo-hoo as:

1) used to express excitement, delight, etc.: Woo-hoo! It's Friday!

Urban Dictionary defines Woo-hoo as:

1) Extreme satisfaction. There is really no other way to say it. Famous from use on The Simpsons.

I just got a hundred cars for free! Woohoo!

The Heavy Jack 3 define Woo-hoo as:

It's not my HEAVY problem