rave about (something)
To give wildly enthusiastic praise for something. My mom was really impressed with your cooking—she spent the whole evening raving about it! Everyone raves about this movie, but I thought it was pretty mediocre to be honest.
rave about someone or something
1. to rage in anger about someone or something. Gale was raving about Sarah and what she did. Sarah raved and raved about Gale's insufferable rudeness.
2. to sing the praises of someone or something. Even the harshest critic raved about Larry's stage success. Everyone was raving about your excellent performance.
rave aboutor rave over
To speak or write about something or someone with wild enthusiasm: The dinner guests raved about the roasted duck. The critic raved over the new movie.