The word "photobomb" is a pretty new term that was first added to dictionaries in recent years. In fact, in 2014, it was the Word Of The Year by Collins English Dictionary.
Photobomb is the act of being in a photograph without the person knowing, usually in the background. It will "bomb" or ruin the photo (because there is an unexpected person in there).
A person or thing who ruins the picture or "photobombs" is known as a "photobomber" (more than one person is known as "photobombers"). This person drops in the background of a picture to be funny or to ruin a picture on purpose.
How can we use this word?
"Even dogs can photobomb pictures!"
"I'm so upset, all my pictures from last night were photobombed by tourists!"
"Please stop photobombing our pictures. It's not funny!"
"I thought you were a photobomber standing behind us"
Need more examples to remember the vocabulary? Take a look at some funny top 25 photobomb pictures here.
Related Lessons:
Taken A Selfie?
Popular Internet Slang
Everyday Slang