1 {scene: modern day}
1 SFX: JURRRZ! {time machine appears}
2 Allosaurus: RAAARRHH!!
3 Jane Goodall: Well that's ironic.
3 Terry: What? That's not ironic by any definition.
4 Steve: Crikey! The Allosaurus came back too! This is bonza!
4 Jane Goodall: There you go.

I'm not going to go into the definitions of irony again.

As for bonza, check this article. It seems the more common spelling is "bonzer", but I prefer "bonza". It helps non-Australians to pronounce it right.

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2024-04-20 Rerun commentary: Alas, that old article I linked to about the word "bonza" no longer exists in its original place, so I've replaced the above link with a link to a copy on archive.org.

Here's a more recent one I found about the mysterious and oft-debated origins of this word.