(PRAISE), US also puff piece [noun] [C] [informal] [usually disapproving] - a piece of writing or speech which praises somethingI was annoyed to see part of my article being used as a puff for a novel.The interviewer tried to prevent him giving a puff to his new invention.
PUFF
Meaning of PUFF in English
Cambridge English vocab. Кембриджский английский словарь. 2012