I'm still trying to figure out what a "photobomb" is. From the story, it appears that if you walk in front of someone taking pictures, you have committed some sort of social no-no that requires even females to attack. Usually I mutter 'Sorry', duck a little and walk on. Have I missed class the day this became an insult of the first order?
And I had to look up photobomb.
I'm not sure that you realize the level of your uncoolness. Just to help you out, it was called that in the early 1980s when I left Denver. Glad I could help. ;)