Bobochrome 

A black and white or a monochrome picture taken by a colorblind person.

Thats a nice bobochrome.

Bobochrome by Koshurbitch April 26, 2023

bookchrome

It's literally ur mom lol

"wtf is a bookchrome?"

bookchrome by ikotsu August 18, 2021

Bobochronologist

A person who records the number and takes photographs of railway, railroad, light rail and tramway motive power units, carriages or cars and tram cars or streetcars which have two twin axle bogies or trucks BoBo.

John Smith is a Consultant Bobochronologist.
the station was full of bobochronologists.

Bobochronologist by Vince Carr January 7, 2004