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1.
cash, money etc. the words cash, and hashish combined.
I need a job man, I'm desperate for some cashish!
by greg January 24, 2006
 
2.
Money to burn, get it?
Mike: We need to get some 40's and blunts up in here.
Joe: I ain't got the cashish man.
by Frolic112 December 16, 2009
 
3.
Based on the words cash and hashish, the term was coined by a bearded weed-fiend and originally used to describe money set aside to buy hash but usage has widened to describe money set aside to be later invested in non-specific recreational or social activities.
Any cashish you make on the deal you can bring and buy us beverages
by Battles October 16, 2005
 
4.
Slang term for money that can be used in street transactions
Hey we need to get some beer. How much cashish do you have on you?
by licoricedad January 28, 2008
 
5.
Cashish is a term used to describe physical money (ie. cash) that is used for frivolous purposed. Paper money that figuratively is burned up.
"How much cashish was that hotdog?"

"I dunno, pass the hashish"
by zzzebralynx September 10, 2011
 
6.
Cash, loot, money, cheddar.
I need a boatload of cashish.
by Connery June 14, 2005
 
7.
Money, usually paper bills that have been passed around by many hands and is usually filthy. like hashish.
Cashish : a 20$ bill with a dirt stain on it.
by Joshua Dylan Carter June 11, 2008