Snobby

adj.

A person who is stuck up or haughty.

In use

Ye totally ignored me today in Red Square ye snobby cow.

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

Do come in, wipe your feet. Would you like me to translate 'Snobby' in use for you?

You entirely ignored me today in Red Square, you haughty cow.