Meaning of “drum up sth” - Learner’s Dictionary

drum up sth

phrasal verb with drum us uk /drʌm/ verb [ I, T ] present participle drumming, past tense and past participle drummed

to increase interest in something or support for something:

He was trying to drum up some enthusiasm for his idea.

(Definition of “drum up sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)