n. Name for a man's pocket directory of (hopefully) promiscuous women (i.e. big book o' sorostitute
s). This piece of equipment can mean the difference between a lonely night in your hotel room watching "Not Without My Daughter" or several hours of romparoom
with Jessica, the former VP of Membership of *insert your favority whorority
Brandon: "Who do we know in Chicag-ho?"
John: "Let me consult my good friend, Mr. Holodex, he'll know who to call."
Brandon: "Thank you Mr. Holodex, you've saved the day once again!"