One ready-made excuse

Take this and vanish gracefully.

I am away and operating on a delayed-response model. I am on a break and treating my email like a distant rumor. If this relates to approvals, deck revisions, or stakeholder choreography, it will wait. Responses will resume after my return. Immediate concerns can be routed to the department lead. I appreciate your patience.

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