waddle

/ˈwɑdəl/
verb
  1. To walk with short steps and a side-to-side motion, like a duck or a person with a heavy or awkward gait.
    • The toddler waddled across the room in his bulky snowsuit.
    • The penguin waddled comically over the ice.
    • The ducklings waddled behind their mother to the pond.
noun
  1. A clumsy, swaying walk.
    • The penguin's waddle is perfectly adapted for its environment.
    • She recognized his waddle from across the parking lot.
    • The duck's waddle made the children laugh.