from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. Informal To move in or follow a zigzag course: "the narrow trail . . . dipsy-doodled through the brush until it finally reached the river” ( Pete Bodo).
Alteration of dipsy-do, baseball term to describe motion of a screwball, from dip.(American Heritage® Dictionary of the English Language, Fourth Edition)