ba da bing ba da boom
Used when something happens like a fat kid running into a wall. Easy. Smooth. No pain. Bart Simpson says it after he eats a whole pie and still gets an A.
The pizza arrived in two minutes. Ba da bing ba da boom!
I got my license on my first try. Ba da bing ba da boom!
She finished the race before the starting gun even went off. Ba da bing ba da boom!