Quack quack quack!!!

When your dumbass boss or someone in authority tries to tell you what to do or Someone who talks too much.

I went to the bosses office and you know how that went "quack quack quack"!

by John Hopper November 18, 2004

quack

An online or e-slut who will often prey and stalk pre-pubescent teen boys via the internet.

Quack and nightfall cyber while playing WoW.

by Tom Bolton November 4, 2006

quack

A pseudomedical "professional" who earnestly believes in their products or procedures (as opposed to a fraud, who knows he is full of shit and just wants to make money), which in actuality are of dubious merit and are possibly injurious.

(Name) the quack (my chiropractor)
Was a squat little ape
With a mouse's voice
And a pigeon's gait

by Anon343 March 16, 2008

Quack

alternative term for the act of passing wind, but done so with tremendous gusto!

Franny has let out a horrific quack.

by Wayne August 20, 2003

quack

To claim possession of something for when you return, such as a seat. Short hand for the phrase "quack quack I get my seat back"

Counter arguments include:
1. Move your feet, lose your seat
2. Cluck, cluck, I don't give a fuck!

Abby gets up from the couch and says, "Quack!"
Abby has 'quacked' her seat, thus no one else can take it.

by Savannah Cheyenne February 18, 2008

Quack

A sound made by french people when trying to say yes.

"are you gay?"
"Quack."

by gay frenchie November 23, 2009

Quacker Stacking

The act of stacking ducks on top of each other, while trying to get each duck to continuously quack in harmony. Mostly done with friends in competition to see who can quacker stack the best.

Hey John, do you want to go quacker stacking today? I bet I'll dino dong off you!

by The Quacker Stacker December 16, 2011