1
general::
Phrase(s): talk something up
to promote or advertise something by saying good things about it to as many people as possible. • Let’s talk the play up around campus so we can get a good audience. • I will talk up the play all I can., Phrase(s): talk someone or something up
to promote or speak in support of someone or something. • I’ve been talking the party up all day, trying to get people to come. • They keep taking up the candidate as if he represented a real change.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Speak in favor of, promote, as in They were talking up their candidate all over the state. [Second half of 1800s]
American Heritage Idioms