Entry 2 senses · 2 variants Webster, 1913 Squiggle /(skwĭg"g'l)/ · Squig·gle · IPA /ˈskwɪɡl̩/ v. i. v. i. 01 v. i. To shake and wash a fluid about in the mouth with the lips closed. 1. To shake and wash a fluid about in the mouth with the lips closed.[Prov. Eng.] 02 v. i. To move about like an eel; to squirm. 1. To move about like an eel; to squirm.[Low, U.S.]