look up any word, like the eiffel tower:
BOMB represents the acronym for "Beat Off Mental Bank." In other words, the images u have in your mind for inspiration during masturbation.
(Two friends at a pub having a drink & checking out the ladies)

Guy #1: "Check out that girl over there in the black shirt."
Guy #2: "Already in my BOMB file, dude."
by JT Amish August 09, 2009