One ready-made excuse

Take this and vanish gracefully.

Thank you for your message. I am taking vacation seriously enough to avoid real-time responses. Any request involving alignment, sign-off, or strategic visibility can hold. I plan to follow up when I am back online. For urgent issues, contact the team lead or whichever vice president loves escalation the most. Thank you for understanding.

Professionally ignoring you with the help of Half Baked Out of Office
https://ooo.halfbakedidea.ca?ref=copy

Tweak it, steal it, disappear for a while. Leave the breadcrumb if it feels charming.

Keep the same energy

More in this vein

If this one isn't quite it

Other ways to duck out

Pick one for me