Quack 

noun: slang for "crazy" common in the south, especially near areas of high duck concentration.

1. That's quack, man.

2. You're so quack.

3. Dude! that's quack, yo!

Quack by thats whack February 23, 2009

Quack 

1. The act of pulling down a beanie-hat hybrid over someones face to where the bill of it is over their mouth, hence the quack.

Bro: dude that nerd is way to nerdy to wear that cool hat.
Bro2: I know dude. Let's quack him.
...
Nerd: Ahh noo. I've been quacked!

Quack by SEV3N November 8, 2011

Quack 

Quack is a word that can mean many things. It is the sound a duck makes, it can be an insult, & it can be a punch line.

Duck: quack
Angry human: what a quack!
Funny human: your just quacking me up!

Quack by NoodleQuack February 19, 2018

quack 

A very sexy sound when moaned by a girl.

guy: so what do ducks say?
girl: ...quack.....

quack by MallardDuck January 31, 2009

quack 

A Quarter ounce of drugs.

Yo, I need a quack? Yo, you got a quack?

quack by gotjank July 30, 2007

quack 

queens and jacks

The quacks in the doubleton are useless in this hand

quack by little_lovely_michael December 18, 2012

Quack 

What are you doing, Skeppy?

"Quack."
"You're not a duck!"

Quack by AmazingLion91 October 2, 2020