A sperm bank, a place for males to get 'free' money in exchange for sperm, thus spank and bank as in a financial institution
I need to go to the spank bank, I'm dead broke
by Anonyasfad April 7, 2008
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A collection of pictures, speficially Facebook pictures stored for the sole purpose of masturbation
"Mark's Facebook Spank Bank collection has gotten so large he had to get an external hard drive."
by HipHopAnonymous123 December 22, 2008
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A collection of feelings you keep in memory for when throwing a pity-party for yourself
I just watched the movie to make deposits into my emotional spank bank account
by Miyhgt November 17, 2018
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n.
long term memory bank of a person's favorite sexually stimulating memories with some fair internal organization for the individual to regularly consult for sexual self-stimulation when needed.
Since I was old enough, my spank bank directory contains almost all my memories of panty & thong sightings even dating back to the earliest days I've learned to wank and I still continue to use them to this day.
by Chris Norton January 16, 2007
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Noun: A folder on your computer dedicated for images taken from the internet and from social media websites like Facebook and Twitter of sexually attractive people for you to pleasure yourself to later.

A lazy, digital replacement for a regular spank bank that consists of images you remember in your head.
Person #1: "Hey dude, what's in that folder on your laptop called White Snake Lullabies?"

Person #2: "It's my spank bank folder man, it has nothing but naked porn stars and my hot Sorority friends in bikinis dude."

Person #1: "Why is it called White Snake Lullabies?"

Person #2: "It's an innuendo dude, I'm not stupid enough to call it Spank Bank."
by Stang July 17, 2012
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When you masterbate so much your spank bank is now into overdraft
Hey dude you making a withdrawal from the spank bank tonight ,bro I tug it so much I'm into spank bank overdraft
by Mattyglide March 15, 2017
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Cell phone containing many pictures and/or video used to aid in masturbation.
"My girlfriend just made a deposit into my mobile spank bank."
by DRanged691 June 10, 2009
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