quackoduck 

A duck making a quack sound.

That quackoduck is annoying the quack out of me!

quackoduck by Leonardo187 November 23, 2007

quackleduck 

1) A very over active, hyper person.

2) A person whom, speaks utter nonsense repeatedly.

John, you act like such a quackleduck on sunday mornings.

quackleduck by Grass Man June 28, 2008