sputterfingers 

Someone who points and sputters at people. Accusing, reprimanding, or blaming someone for something. Typically, holding said someone accountable for some bullshit, rather than themselves.

Have you seen that “Woman Yelling at a Cat” meme? She is so sputterfingers.

sputterfingers by Maximum Tenacity July 4, 2023

shutterfinger 

-noun

1. a person that can't stop taking pictures, someone that has near obsessive compulsion to snapping away at everything with his or her camera.

Their fingers click constantly at the shutter button, hence the word.

He's such a shutterfinger, he always carry around his camera snapping away like a paparazzi.

shutterfinger by Nicko DaVinci December 10, 2009