Oxford American Dictionary's 2012 word of the year, and the key to this puzzle's theme

Question:

Answer:

GIF

Length:

Similar Crossword Questions:

Economic term named the 2011 Word of the Year by the Oxford English Dictionary...and a description of 6 squares in this puzzle
American Dialect Society's word of the year, 2009
It can follow the last word of this puzzle's theme entries
This puzzle's theme word
Word hidden in this puzzle's theme entries
Word that has two diametrically opposed meanings (like this puzzle's eight theme entries)
Glen Campbell hit, the last word of which is this puzzle's theme
This puzzle's obvious theme word
This puzzle's fairly obvious theme word
Oklahoma Indian (and a three-word description of this puzzle's theme)
Theme word inside this puzzle's theme words
Pithy sayings (four well-known ones containing the circled word are the keys to unlocking this puzzle's theme)
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Angle (and a three-word hint to this puzzle's theme)
Like this answer, or a two-word description of this puzzle's theme
This puzzle's key theme word
Word before the first word in this puzzle's theme answers
Just making things up, or a synonym for a three-word phrase describing this puzzle's theme entries
Two-headed, three-armed President in the books referenced in this puzzle's theme
Kind of person that fits this puzzle's theme
Game that's the theme of this puzzle
2012-13 American League MVP Miguel
Comic that comes to an end on October 3rd, and whose catchphrase ends this puzzle's theme answers
Editor's definition of this puzzle's theme
"Huh?" ... and the theme of this puzzle