have the gift of gab
have the gift of (the) gab
To have the ability to speak to others in a self-assured, persuasive manner. Alexis really has the gift of gab, so she should be the one to address the potential investors.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have the gift of gaband have a gift for gab
Fig. to have a great facility with language; to be able to use language very effectively. (See also have a way with words.) My brother really has the gift of gab. He can convince anyone of anything. I don't talk a lot. I just don't have the gift for gab.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.