13. The computer-readable storage medium of claim 10 , wherein the overall score for a selected n-gram, of the one or more n-grams, is based on a combination of: a frequency score indicating a frequency the selected n-gram appears in the low scoring content items, the user score corresponding to the low scoring content items the selected n-gram appears in, and a confidence factor for the selected n-gram.
13. The computer-readable storage medium of claim 10 , wherein the overall score for a selected n-gram, of the one or more n-grams, is based on a combination of: a frequency score indicating a frequency the selected n-gram appears in the low scoring content items, the user score corresponding to the low scoring content items the selected n-gram appears in, and a confidence factor for the selected n-gram. 14. The computer-readable storage medium of claim 13 , wherein the confidence factor for the selected n-gram is based on one or more of: a determination of how well the selected n-gram conforms to an identified set of grammatical rules; how rare portions of the selected n-gram are in an identified language corpus; how users of a social media system have reacted to or interacted with one or more of the content items the selected n-gram was taken from; or any combination thereof.