One ready-made excuse

Take this and vanish gracefully.

I am currently out of the office. I am on vacation and committed to disappointing my inbox. The slide deck will remain exactly as dramatic as I left it. I will respond as soon as practical after I am back. If something is genuinely urgent, please reach out to your usual internal contact. Thank you for your understanding while I am away.

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