The "pictures" of hotties in your mind. The hot chicks at the mall earlier in the day that you think about while you spank off at home

Like a rolodex in your mind of all the hotties that you know.
Me: Dude! Check out that hottie!
You: Man, she is fine, I am going to add her to my spankadex
by Beerbomber January 22, 2008
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A metaphorical Rolodex of memories with which one sorts through for the purposes of masturbation
"I just saw a video of my best friend banging his chick. That is SO going in the Spankadex."

"The wet t-shirt party was a veritable cornucopia of Spankadex Entries"
by DirtyOldBlackGuy October 17, 2012
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