Urban Dictionary: quack

Top definition

Even tho Erin's dad claims to be a doctor, I say he's a quack! He didn't even graduate high school!

by Stella Lafayette December 04, 2004

by Lindsay February 25, 2003

1. a fraudulent physician

2. any physician

by Light Joker December 31, 2005

A scam-artist. A person who makes up bullshit medical products or advice or prescriptions that don't work. A snake oil salesman.

by Anonymous February 17, 2003

To be a weird, gross, ugly child. This person is usually described as being irritating and straight ugly.

Dylan, stop being such a quack.
Dylan, your annoying me, you’re a quack.

by Jco1015 November 11, 2018

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!

by SEV3N November 07, 2011

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!

by thats whack February 22, 2009