Dictionary.com has added more than 300 words and definitions to its online database. The new additions reflect everything from news to popculture; they also include slang terms including slay and smackdown. Dicitonary.com followed with additions after Merriam-Webster added more than 1,000 new words in February. The new words include hangry, lightsaber, mic drop, cat cafe, dad bod, superfood, sext, petrichor and man bun