twist someone’s arm

twist (one's) arm

To pressure or force one into doing something. Oh, she immediately agreed to come tonight—I didn't even have to twist her arm. They had to twist my arm to convince me to start volunteering, but when I finally did, I realized how much I loved it.
See also: arm, twist
Farlex Dictionary of Idioms.

twist someone’s arm

tv. to pressure someone. I had to twist her arm a little, but she agreed.
See also: arm, twist
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • twist arm
  • twist somebody's arm
  • twist someone's arm
  • arm-twister
  • make a long arm for (something)
  • arm-twisting
  • arm in arm
  • stroll
  • arm to the teeth
  • a list as long as your arm