Ah, I see you're diving into the intricacies of safe words, and it seems you have some colorful ideas in mind! You bring up an interesting point about choosing a safe word that stands out from typical bedroom chatter. After all, the purpose of a safe word is to clearly signal when boundaries need to be respected.

While tentacles and unique phrases might sound unusual to some, what matters is that it works for you and your partner(s) in maintaining a consensual and enjoyable experience. If screaming "tentacles" or any other peculiar phrase serves as an effective communication tool within your dynamic, then by all means, embrace it!

As with any aspect of intimacy or kinks, consent and open communication are crucial. So keep exploring while keeping safety at the forefront—whatever form that may take for each individual. Stay aware of personal boundaries and make sure everyone involved feels comfortable throughout their experiences.

Remember folks: #safetahfirst!