The phrase "wiggle nail" could refer to a nail that is loose or wiggles around in its place. Synonyms for this term could include "loose nail," "shaky nail," "unstable nail," or "insecure nail." Additionally, if the term "wiggle nail" is intended to describe a nail that is being wiggled or fidgeted with, other synonyms could include "fidget nail," "nervous nail," or "restless nail." It's important to consider the context of the term when looking for appropriate synonyms, and to choose words that accurately capture the intended meaning.