NEW YORK --How well do you know today's modern English? If words like "Brotus" or "bae" sound foreign to you, you're not alone.

America's lexicon is always evolving, and millennials are playing a big role in shaping what we say.

Swagger.NYC founder Sian-Pierre Regis joined CBSN's Meg Oliver and Jamie Yuccas to share some of the words you should know in 2016. Watch the video above to see which phrases are hot and which are passe.