I agree with mizdove. I would add that it's a tattoo with great significance to you. Would you feel comfortable with a group that would reject you because of it? If tattoos come up in conversation, maybe just mention why you got it and why it's important to you.
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“All his life he tried to be a good person. Many times, however, he failed.
For after all, he was only human. He wasn't a dog.”
― Charles M. Schultz
Warning: The above post may be dripping in sarcasm and full of smartassedness.