Mojito, mixtape and chillax are three of the 5,000 new words that’ll appear in the latest edition of the Official Scrabble Players Dictionary, out on Monday. This is the first update to the game’s approved lexicon in more than a decade. Other new additions include selfie, hashtag and frenemy. How do words get deemed Scrabble-worthy? And what do Scrabble purists have to say about all this?