Top Definition
A fat bomb defines a currently very attractive and slim young females ability to double thier weight in a very short time, as fat bombs go "off" at different times the fuse length must be considered.

A clue may be reflected in her mothers stature if a 22 stone behemoth opens the door on your first visit........... RUN!!
yeah shes a fox now but a fat bomb waitin till happen.
by wobblybox August 28, 2006

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