Photobomb - the action of intruding on a photograph - has been named Word of the Year by the Collins English Dictionary.
It is one of 50,000 new words in the latest publication of the dictionary.
The new print edition also includes the words selfie, onesie and adorkable, after the latter was voted in by Twitter users, the BBC reported.
Adorkable is described as "socially inept or unfashionable in a charming or endearing way".
Other new words in this edition include:
The new edition contains 722,000 words in total and is the largest single volume dictionary in print.
The dictionary was created in Scotland almost 200 years ago and is still compiled in Glasgow.