Phrases Sharing Fun Facts or Stories

That's a real cracker!

C2

Meaning

That's a very funny or amusing story/joke.

Example sentences

John: Did I ever tell you about the time I met a kangaroo?

Alice: No! Tell me!

John: Well, it was hilarious! That's a real cracker!

Alice: Oh my god, I'm dying! Yes, definitely that's a real cracker!