A method of financial management that involves rounding any transaction up to the next dollar amount. Bank math prevents any overdrafting of bank accounts because the amount remaining in the account is always more than you believe it to be.
Let's see, the burger is $4.79, and the fries are $2.19. So quick Bank Math, that's like $8, and I have $15 in my account, so I should have $7 left for tonight.
by BaxterDog December 29, 2017

When a parent obtains an extra helping of food for their child with intent of eating said food for themselves.
There he goes again, baby-banking a slice of pizza that I just bought. Everyone knows his child will not eat the whole thing and it is just for him.
by GhostSpider August 28, 2021

Geoff: I get these really bad vibes about my bank, I feel like I can't trust them...
Barry: Mate, I think you've got bank-xiety
Barry: Mate, I think you've got bank-xiety
by supersony March 13, 2019

When you are in a professional situation and can't spit game at the ladies, you accumulate the game to be used at a later time.
Kevin couldn't give out his number while recruiting at MIT so he decided to use his banked game trying to pair program with her.
by Handsome J November 23, 2015

When you lick your thumb to get a plan b pill stuck to it and insert it a girl's anus at the same time as cumming into her vagina to prevent pregnancy. A deposit and saving simultaneously.
"Hey bro, did you pull out, or do you have a kid on the way?"
"Nah, but I used the piggy bank, so I'll be alright."
"Nah, but I used the piggy bank, so I'll be alright."
by ThiccDiccDaddy93 July 7, 2021

"Mate, I've just been beer banking and we're good to go!"
"Dude, I'm going round the corner to beer bank"
"Dude, I'm going round the corner to beer bank"
by Dave2010 January 20, 2009

by Keeshpeesh August 11, 2017
