What is tashimi?

"Tashimi" is not a recognized word in Japanese or any other language. It is possible that you have misheard or misspelled the word.

Could you please provide more context or a different spelling? For example:

* Did you mean "tasuimi" or "tasemi" ? There are some Japanese words that sound similar and could be what you are looking for.

* What was the situation where you heard or read this word? This can help me understand what you are referring to.

Once you provide more information, I will be able to help you better.