Answer: wiggling

AnswerCrossword Clue
WIGGLINGSquirmy
WIGGLINGEmulating a worm
wigglingWIGGLE, to waggle (to move from side to side, also WAG)
wigglingMove or cause to move up and down or from side to side with small rapid movements
wigglingAvoid (something), esp. by devious means