Well observed, sir. I’m felicitous, since, during the course of the penultimate solar sojourn, I terminated my uninterrupted categorisation of the vocabulary of our post-Norman tongue.

I hope you will not object if I also offer my most enthusiastic contrafribularities.

Thus, I’m anaspeptic, frasmotic, even compunctuous to have caused you such pericombobulations.

May I offer you a pendigestatery interludicule? Anything I can do to facilitate your velocitous extramuralisation.

Is antidisestablishmentarianism supercalifragilisticexpialadocious?

Also this may be a https://en.wikipedia.org/wiki/Googlewhack :) well back in the day

Monty Python has its own version. https://montypython.fandom.com/wiki/Johann_Gambolputty