no object To walk unsteadily or with a waddling movement.
Mid 17th century; earliest use found in Giovanni Torriano (fl. 1640). Reduplication (with vowel variation) of waddle.
In an unsteady or waddling manner (in later use especially one resembling the gait of a duck).
Mid 17th century; earliest use found in Alexander Brome (1620–1666), poet and lawyer. From widdle-waddle.