whizz-bang

British  

noun

1. a small-calibre World War I shell that, when discharged, travelled at such a high velocity that the sound of its flight was heard only an instant, if at all, before the sound of its explosion

2. a type of firework that jumps around emitting a whizzing sound and occasional bangs

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adjective

1. informal excellent or first-rate

Example Sentences

In private, government insiders are not expecting a giant whizz-bang new deal with our closest trading partners.

From BBC

However, not all of these busy little bots are created equal, and you’ll pay more for those with whizz-bang features that make your life a little easier.

From The Verge

He argued that the opposition parties had failed to come up with any "whizz-bang" ideas.

From BBC

I'm in a proper whizz-bang outfit, I'm dressed to the nines, but it just goes to show dressing - the class I'm in, the school my kid goes to - does not negate the fact that I'm a black woman, usually in very white situations, and that is always seen as something of a problem.

From BBC

“Microsoft and other tech companies have been looking for a whizz-bang technocratic solution to climate change and they think this is it,” he said.

From The Guardian