I'm gonna shit - A shout you make when you’re about to do something cool and

A shout you make when you’re about to do something cool and you want everyone to know it.

I'm gonna shit! I'm gonna throw my shit around! I’m gonna beat you in the race!

I'm gonna shit! I'm gonna throw my shit around! I’m gonna eat your lunch!

I'm gonna shit! I'm gonna throw my shit around! I’m gonna be the best at everything!