Definition of duck walk:
(n) :
(preceded by definite article) A dance or dance move, popularised in the 1950s by Chuck Berry, in which the dancer steps forwards crouching on bended knees while keeping the back straight and head erect.
(n) :
(bodybuilding) A type of loaded walk in which the sportsman squats somewhat and steps forward or backward with his knees alternatingly while optionally carrying a dumbbell or kettlebell on each side or a kettlebell or cupped dumbbell between the legs.
(n) :
(skating) A means of acceleration, moving with each foot turned 45 degrees from the forward position.
(v) :
To move through use of the duck walk.