Indie Bloggers Challenge #20: Shh!

IndieBloggers Weekly Challenge - 17 Words regarding:

You start a secret society complete with complex, occulted handshakes, weird symbols, and a ‘history’ dating back to the Egyptians. To recruit members, you write this simple Google text-ad:

Scrt scty mtng, brng own lnch. Shhh! Mst not tell nyne, ths mns U! It's a scrt!