This Wednesday, Aug. 24, 2011 photo displays the entry "fist bump" on 

This Wednesday, Aug. 24, 2011 photo displays the entry "fist bump" on an index card at the Merriam-Webster publishing headquarters in Springfield, Mass. Though the knuckle-tapping action has been around for years, fist bump’s place in popular culture was cemented by President Obama and First Lady Michelle Obama when Obama accepted the 2008 Democratic nomination, and now has earned a spot in the Merriam-Webster Collegiate Dictionary. (AP Photo/Charles Krupa)
Associated Press
This Wednesday, Aug. 24, 2011 photo displays the entry "fist bump" on an index card at the Merriam-Webster publishing headquarters in Springfield, Mass. Though the knuckle-tapping action has been around for years, fist bump’s place in popular culture was cemented by President Obama and First Lady Michelle Obama when Obama accepted the 2008 Democratic nomination, and now has earned a spot in the Merriam-Webster Collegiate Dictionary. (AP Photo/Charles Krupa)
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