v.1. To extricate oneself by sly or subtle means from some situation; worm one's way out of some situation: She squirmed out of the promise she'd made without upsetting anyone. He was supposed to wash the dishes tonight, but somehow he squirmed out.
2. To free oneself from something by turning, twisting, or writhing the body: The fish squirmed out of my grasp. I put the snake in a bag, but it squirmed out.