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1. a term used in the computerized accounting system to denote a file of unapproved transactions which must be approved by a competent authority to effectuate the transactions.
2. (of transactions) to enter in a stack.
1. The stack is empty. All the stacked transactions have been approved.
2. The teller made an entry in the computer system, which got stacked. The head teller then approved the stacked entry.
stack by uttam maharjan July 11, 2011
(noun)

A stack is anything an amount of 64. It refers to Minecraft, where the maximum amount of items you can hold in a single inventory slot is a stack of 64 of the same item.
guy 1: how many burger patties did you bring for the bbq?
guy 2: a stack.
Stack by Johnny Joester September 13, 2019
A stack is an insult or an acknowledgement of an insult.
Man: You are pretty.
Woman: I still wouldn't go out with you.
Man's friend: Stack!
stack by flynigs April 22, 2011
An insult given to another person in an argument. It is commonly used on a person who has talked smack and or is being a smart ass.

Both sides can give the stacks, which will escalate to a bigger argument. However, it is not uncommon for one person to be the only one throwing the stacks.
Matt: Damn, man! Does your mother still dress you in the morning?
Avery: Woah! You're about to catch one. I'm about to give you the stacks.
Your forehead looks like a fucking Honda windshield.
Matt: Alright man, Chill. Chill.
stack by Chelsxa February 9, 2012
a stack is a speaker set up most commonly found at Free partys or raves consisting of bass scoops, W,bins, horns and tweets an mids. a good stack is at least 8ft tall an full of 18" drivers
shit look at that Stack it looks massive this is going to be a good party i think.

yo bob ive got some new bass scoops to go with our Stack

shit hot are next party is guna fuckin hum
Stack by garyant February 5, 2010
a big wad of money usuall wrapped with a rubberband from either selling drugs or making profit off hoes
If its taking too long to lock up bring it back,
You was short anyway so bring a stack--young jeezy(boyz n da hood)"Dem Boyz"
Stack by $$<a-town rep>$$ January 2, 2006