Here's a great resource for those "evolved" languages for your near future campaigns. Use the right "teen speak" (this article is from the UK) and your can equal any doublespeak written by Burgess, Womack or even Orwell.
A lexicon of teen speak
"A new campaign aims to persuade people to become teachers because they will learn new words. Teen speak can be confusing for anyone who is not a teen. So here is the E-cyclopedia's first annual guide to youth-speak for the not-so-young."
