More signs that you may be a little common

[Rhiw-Blue]

Hey, we are who we are.

That said, the behaviour that amuses me is where someone is conspicuously, obviously and desperately trying too hard 'not to be common' and thus gets it spectacularly wrong - by over-compensating in an ostentatious and (attempted) snooty manner.
With regular comic consequences.

Croesy again?

[Vimana.]

Croesy again?

Surely not!

I was thinking of .. Hyacinth Bouquet