Definition of photobombing in English:

photobombing

noun

mass nouninformal
  • The action of spoiling a photograph by unexpectedly appearing in the camera's field of view as the picture is taken, typically as a prank or practical joke.

    ‘the concept of photobombing has probably been around as long as photography’

Pronunciation

photobombing

/ˈfəʊtəʊˌbɒmɪŋ/