From Longman Dictionary of Contemporary Englishtwist somebody’s armtwist somebody’s arma)informalPERSUADE to persuade someone to do something they do not want to doNo one twisted my arm about coming to see you.b)INJUREto bend someone’s armupwardsbehind their back in order to hurt themThe policeman twisted my arm behind me and arrested me. →twist
Examples from the Corpus
twist somebody’s arm• "Go on, have another drink." "Oh well, if you twist my arm."• I'm sure he would never have come if I hadn't twisted his arm a little.• We had to twist her arm to get her to come.