Origin of yum-yum
Examples from the Web for yum-yum
He is labouring under great excitement, and begs for information as to the dwelling of "a gentle maiden, Yum-Yum."
In the presence of Yum-Yum he is that most appealing figure, a strong man in love torn between desire and duty.Post-Impressions|Simeon Strunsky
He explains that a year before he had fallen in love with Yum-Yum, who returned his affection.