To walk with short steps, swaying the body from one side to the other, like a duck or very fat person; to move clumsily and totteringly along; to toddle; to stumble; as, a child waddles when he begins to walk; a goose waddles
To waddle somewhere means to walk there with short, quick steps, swinging slightly from side to side. A person or animal that waddles usually has short legs and a fat body. McGinnis pushed himself laboriously out of the chair and waddled to the window. to walk with short steps, with your body moving from one side to another - used especially about people or birds with fat bodies and short legs waddle off/down/over etc (wade)