A man photobombing a tourist's selfie.
An example of a photobomb is a person jumping into a classic prom photo just before it is taken.
(third-person singular simple present photobombs, present participle photobombing, simple past and past participle photobombed)
- To unexpectedly appear in a photograph, especially so as to ruin the picture.
- An act of photobombing.
- A photo containing someone or something that is photobombing.