Among the 600 new words and definitions are "supposably" and "finna." When Dictionary.com tweeted out some of the new words, those two additions racked up thousands more quote-tweets than any of the other words. Dictionary.com says the adverb "supposably" means "as may be assumed, imagined, or supposed." It describes "finna" as "a phonetic spelling representing the African American Vernacular English variant of fixing to."