twist (someone) around (one's) (little) finger
To gain complete control or dominance over someone; to make someone do whatever one wishes. The spoiled little brat has completely twisted his parents around his little finger. Everyone jealously accused her of twisting the boss around her finger.
twist around one's finger
Also, turn or wind or wrap around one's finger . Exert complete control over someone, do as one likes with someone, as in Alison could twist just about every man around her finger. This hyperbolic term dates from the mid-1800s.