Dipsy-doodle is a whimsical term that can be used to describe a variety of things. If you're looking to mix it up, consider some of the following synonyms: zigzag, twist and turn, winding, meandering, serpentine, sinuous, and snaky. Alternatively, you might choose to describe something as circuitous, labyrinthine, convoluted, or intricate. These words all capture the twisting and turning nature of a dipsy-doodle. If you're looking for a more playful term, you might consider calling something a loop-de-loop, corkscrew, or swirl. Ultimately, the key to finding the right synonym is to consider the specific context in which the word is being used.