Chinese

		shake; to rock	banner; flag	to beat the drums
trad. (搖旗擂鼓)		搖	旗	擂鼓
simp. (摇旗擂鼓)		摇	旗	擂鼓

Idiom

搖旗擂鼓

1. (archaic) wave banners and beat the drums (of war)
2. to act like someone's cheerleader