Top Definition
Where the most sexually rewarding, explicit, fulfilling, and indulging sexual encounters and or memories are retained in the mind for the most anticipated and pleasurable masturbation sessions.
example1:

Tom: hey bro, remember when you and i ran the train on that Holly Lolly girl from the Sunset Tan show?

Jon: yeah man, i have that shizzle stored in my Spank Bank Safe Deposit Box

example2:

Matt: hey bud, did you end up hooking up with that horny, drunk blonde chick that was all over you last night?

Steve: Nahh dawgg, before we left to my place she passed out in the bathroom, i had to bring out old memories from my Spank Bank Safe Deposit Box that night as a pathetic attempt to even come close to the amount of pleasure that i was so close to getting...
by gingabreadman186 December 17, 2008
5 Words related to Spank Bank Safe Deposit Box

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