|Michelle Obama with Bo (c) White House Photo|
Dictionaries defines it as:
(n.) a photograph that one has taken of oneself, typically with a smartphone or webcam and uploaded to a social media website.
It's not a new word -- its origins date to a 2002 posting in an Australian Web forum, according to Reuters -- but that doesn't matter. "The Word of the Year need not have been coined within the past 12 months and it does not have to be a word that will stick around for a good length of time," Judy Pearsall, editorial director for Oxford Dictionaries, tells Reuters.
Oxford's editors say use of the word has gone up a staggering 17,000% in the past year, Reuters reports.