Ducks walk with a waddle.    From Wordnet, Princeton University. 

Small, rotund and bespectacled, walking with what might be described as a waddle, Dominick never looked or felt remotely intimidating.    From Wordnik.com.  [Dan Abrams: Remembering Dominick Dunne] Reference

I don't own bear pjs but I do own penguin pjs (no joke ... they even make you "waddle").    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

I remember her last name Waddington because it reminded me of waddle which is how she walked. ".    From Wordnik.com.  [A Traitor to Memory]

And in the dimpling water-pudge you waddle in and out.    From Wordnik.com.  [Life and Remains of John Clare "The Northamptonshire Peasant Poet"] Reference

TYRA BANKS, FORMER MODEL: America ` s next top waddle.    From Wordnik.com.  [CNN Transcript Dec 4, 2007] Reference

Satisfied, the braver geese advanced in a portly waddle.    From Wordnik.com.  [Gorky Park]

There are people telling me I'm America's not top waddle.    From Wordnik.com.  [CNN Transcript Jan 29, 2007] Reference

Nichols seemed jittery, and he walked with an odd waddle.    From Wordnik.com.  [The Plot] Reference

M. O'BRIEN: Got Sean Callebs to waddle on national television.    From Wordnik.com.  [CNN Transcript May 25, 2006] Reference

Tuna had always been fat-ish, we used to joke about his waddle.    From Wordnik.com.  [Recipe] Reference

Yes, that was a pretty good waddle you got going there, by the way.    From Wordnik.com.  [CNN Transcript Aug 19, 2005] Reference

Have you ever been to the airport lately and watched them waddle by?.    From Wordnik.com.  [CNN Transcript Jul 26, 2002] Reference

"I can't waddle much anyway this morning, because my leg hurts me so.".    From Wordnik.com.  [Among the Farmyard People] Reference

He was fed with good things until his gait became an undignified waddle.    From Wordnik.com.  [Followers of the Trail] Reference

Plus, Tyra Banks fires back after being called America's next top waddle.    From Wordnik.com.  [CNN Transcript Jan 30, 2007] Reference

NGUYEN: Tabloids mocking a former super model as America's next top waddle?.    From Wordnik.com.  [CNN Transcript Jan 30, 2007] Reference

And he went with a quack and a waddle and a quack in a flurry of eiderdown.    From Wordnik.com.  [Frank Loesser At 100: Celebrating A Broadway Legend] Reference

Another time Jason might have laughed at his incongruous waddle, but not now.    From Wordnik.com.  [Deathworld] Reference

Even though the islands lie near the equator, penguins waddle on its beaches.    From Wordnik.com.  [Heartbreak Postponed] Reference

They walk probably more accurately, they waddle for about 30 minutes at a time.    From Wordnik.com.  [CNN Transcript Dec 17, 2005] Reference

Some settle on the Scotch moors, where they industriously waddle themselves thin.    From Wordnik.com.  [The Atlantic Monthly, Volume 20, No. 118, August, 1867] Reference

I mean, he is certainly starting to waddle, if he's not -- is not quite quacking.    From Wordnik.com.  [CNN Transcript Mar 12, 2006] Reference

Out of the corner of his eye, Rhavas saw Zautzes waddle back toward his residence.    From Wordnik.com.  [Bridge of the Separator]

Waiting for the new MILFs to waddle out and join the new ranks of fuckable mothers?.    From Wordnik.com.  [Word, Dude! (and accompanying animation)] Reference

And then the tabloid headlines followed, proclaiming her to be America's top waddle.    From Wordnik.com.  [CNN Transcript Jan 25, 2007] Reference

It set up a clangour that caused the geese to scream, wheel and waddle indignantly away.    From Wordnik.com.  [Death of a Fool]

The Foolish White Geese were taking their morning waddle, and Reddy ran plump into them.    From Wordnik.com.  [Half-Past Seven Stories] Reference

Then the tabloids started calling her "America ` s next top waddle" and "Tyra Pork Chop".    From Wordnik.com.  [CNN Transcript Jan 26, 2007] Reference

He dropped his head on the ground, and drove it down the walk in a lively waddle toward me.    From Wordnik.com.  [Our Holidays Their Meaning and Spirit; retold from St. Nicholas] Reference

Our CNN political unit has taken a lot of time to waddle down the nearly 5,000 to about 40.    From Wordnik.com.  [CNN Transcript Nov 27, 2007] Reference

  Are young men hanging out in front of maternity wards, waiting for new moms to waddle out?.    From Wordnik.com.  [The Serious Writer is Assured She's A MILF!] Reference

All the duck kind waddle; divers and auks walk as if fettered, and stand erect on their tails.    From Wordnik.com.  [MacMillan's Reading Books Book V] Reference

This annoyed the duck dreadfully, and it used to waddle after the heron, quacking very angrily.    From Wordnik.com.  [Little Folks (July 1884) A Magazine for the Young] Reference

Her walk has something of the roll or waddle of a fat woman, though it were too much to call her fat.    From Wordnik.com.  [The Atlantic Monthly, Volume 17, No. 101, March, 1866] Reference

How kind of him to take the trouble to carry them in this basket on his arm, instead of leaving them to waddle along the road!.    From Wordnik.com.  [The Nursery, February 1873, Vol. XIII. A Monthly Magazine for Youngest People] Reference

Then the geese waddle along in single file, that is one by one, like fat old ladies crossing a muddy street on their way to sewing society.    From Wordnik.com.  [Seven O'Clock Stories] Reference