Scat “boop oop a doop” and variations (Esther Lee Jones, Helen Kane, Betty Boop, Marilyn Monroe); hippie “coo coo ca choo”; Beatles “goo goo ga joob”
A few years ago I was working regularly with a director who filled any conversation pause with a descending musical vocalization “doo de-doo de-doo.” While the similar “dum de-dum de-dum” means “I’m just sitting here minding my own business,” the brighter, more cheerful “doo de-doo de-do” was a cross between a satisfied sigh and a…