a photograph that one has taken of oneself, typically one taken with a smartphone or webcam and uploaded to a social media website
Oxford Dictionaries announced as their international Word of the Year 2013. Language research conducted by Oxford Dictionaries editors reveals that the frequency of the word in the English language has increased by 17,000% since this time last year.
can actually be traced back to 2002 when it was used in an Australian online forum:
The word gained momentum throughout the English- speaking world in 2013 as it evolved from a social media buzzword to mainstream shorthand for a self-portrait photograph. Its linguistic productivity is already evident in the creation of numerous related spin-off terms showcasing particular parts of the body like (a picture of one’s hair) and (a picture of one’s posterior); a particular activity – (workout selfie) and (drunken selfie), and even items of furniture – and .