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In the popular TV show "The Weakest Link" contestants have an opportunity to "bank" if they want to safehouse themselves from a future mistake. This inspires the term "banking" to describe women of a certain age (generally 33+) settling, or "banking" on a perhaps unsuitable partner in order to leave appropriate time for marriage and babies.
"Why is Jenny with that guy? He's an idiot"

"Oh, well she's 33 now and she wants to get married so she's banking"
by skate88 November 11, 2013
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The act of depositing drugs into your anus to get high quicker.
Last night i was banking xanax and blacked out and stole a cop car. Hold on guys i have to stop and make a deposit at the bank. I'm going for the bank shot.
by MOTEC September 15, 2011
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A strategic, manipulative technique, used by professionals to stay ahead of their disciples in life.
"Dude! James is such an asshole! He keeps not telling me things so that he can win in everything!'
"Yeah bro, he's Banking the shit out of you"
by DildoRider73 July 30, 2018
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