Why is tater an exaggeratasaurus?

It seems like you're asking about a made-up term, "exaggeratasaurus". There's no real dinosaur called that, and "tater" is a slang term for potato.

It sounds like you might be trying to make a joke or create a funny character. Here's why that could be funny:

* Exaggeration: The word "exaggeratasaurus" itself is a funny exaggeration.

* Tater: Using a slang term like "tater" can add a casual and humorous tone.

If you're looking for a joke, you could say something like:

* "My grandpa's a real exaggeratasaurus when it comes to telling stories about his potato harvest."

* "I'm on a diet, but I can't resist a good tater. Maybe I'll just call it an exaggeratasaurus to justify it."

Let me know if you have another funny idea you'd like to explore!