Top Definition
Is the systematic cataloging of persons of interest for later use as masturbation fantasy fodder. Elaborate indexes can be cross referenced by type of body, hair color, size of breasts ( if applicable ), bi-sexuality, sexual acts you envision them doing etc.

In public it can be referenced as " MI-File " pronounced MY-File
Masturbatory Index File example---"Those two women were so hot I added them to MI-File--and now they are bi-sexual and I'll be seeing them later tonight"
by knight1to1 August 02, 2009

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