from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Informal An enthusiastic amateur photographer.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person who makes a hobby of photography.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a photography enthusiast
shutter + bug, from their tendency to work the camera's shutter frequently. (Wiktionary)