have kissed the Blarney Stone
To have the ability to speak in a persuasive or convincing manner. Such an ability is said to be bestowed upon those who kiss the Blarney Stone in Ireland. She must have kissed the Blarney Stone, considering all the people she got to donate to our cause tonight!
have kissed the blarney stone
be eloquent and persuasive. A stone at Blarney Castle near Cork in Ireland is said to give the gift of persuasive speech to anyone who kisses it; from this comes the verb blarney , meaning ‘talk in a flattering way’.