It refers to the unique words and spellings that actress Stana Katic uses on Twitter while addressing her fans, which makes her even more adorable... such as, Coolios, Doods, Girlz, Humanoids, Kiddies etc.
That's it for today. Good night, humanoids!" "Aah, I see that you have picked up on a few Katicisms!
von RubyRoy87 7. August 2011