To walk with short steps that tilt the body from side to side.(verb-intransitive)
To walk heavily and clumsily with a pronounced sway.(verb-intransitive)
A swaying gait: the waddle of ducks. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "waddle" in a sentence
"They sport strange growths on their neck and faces that even have odd names: the waddle is the loose skin on the neck and the snood is the fleshy protuberance that grows from the forehead and dangles over the beak."
"Small, rotund and bespectacled, walking with what might be described as a waddle, Dominick never looked or felt remotely intimidating."
"On the final chorus, everyone knew to let him take over, and take over he did, stretching the final yonder out until his waddle was the color of Jesus 'wound in the stain glass over the choir loft."