Meaning of “rave” - Learner’s Dictionary

rave

verb [ I ] uk us /reɪv/
EXCITED

to talk about something that you think is very good in an excited way:

He went there last year and he's been raving about it ever since.
ANGRY

to talk in an angry, uncontrolled way

(Definition of “rave verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)