talk up
Upper Intermediate (B2)informal
To say very good things about something or someone to make other people think it's great.
"The CEO talked up the company's new product during the investor briefing."
Hear it in context

Learn English with Alisha (Past Livestreams) - Active Voice, Appearance, and Style
Learn English with EnglishClass101.com · 22:32
to talk up.

Learn English with Alisha (Past Livestreams) - Active Voice, Appearance, and Style
Learn English with EnglishClass101.com · 22:44
This one to talk up.

The (Critics) History of Warren Buffett's 80 Year Career
How Business Worked · 9:34
try to talk up their self-made credentials,

I Was A Secret Service Agent For 25 Years — Here’s What I Saw
Ian Bick · 59:12
And he's like then I talk up

Behavior and Belief
Vsauce · 17:45
We even used a fake participant to talk up