When a drug dealer either sells someone less of a drug that they paid for or passes off another substance as the drug someone is buying.
I bought an eighth of weed but the bag was missing almost a gram, the bastard sold me a wack sack.

I bought a gram of coke but it was just baking soda, i was tricked with a wack sack.
by MistahBradshaw August 30, 2010
a large amount. A collective noun of more than the usual or normal quantity
The Duggars have a wack sack of kids.
by shareski November 13, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×