adj wriggling; frisky; pliant; flexible.
2. wriggle ·add. ·noun act of wriggling; a short or quick writhing motion or contortion.
3. wriggle ·vt to move with short, quick contortions; to move by twisting and squirming; like a worm.
4. wriggle ·vi to move the body to and fro with short, writhing motions, like a worm; to squirm; to twist uneasily or quickly about.