'Photobomb' named Collins English Dictionary Word of the Year

Drum roll please and lay out the red carpet. The Collin's Dictionary Word of the Year have been announced. And this year the top place goes to that incomparable and evocative word… photo bomb.
Yes, it's been the year of the photobomb according to the Dictionary people - who have officially defined it as intruding"into the background of a photograph without the subject's knowledge'.