Boop-Oop-a-Doop is a catchphrase often used by the fictional character Betty Boop. It was first made popular by Helen Kane in the late 1920s. Kane claimed to be the originator of the unique ad-libs, and attempted to sue Paramount-Publix and the Fleischer Studios. Kane who had previously worked for Paramount lost her suit because she was not the first baby talk singer in the business and had adapted her style from a little known African American performer who had performed in the Cotton Club in the early 1920s. When Mae Questel would Boop she would often Boop-Boop-e-Doop, Boop-Boop-Be-Doop or Boop-Boop-Pe-Doop instead of using the original Boop-Oop-a-Doop phrase to differ to the other actresses who had portrayed the character. Before Questel took on the role of Betty, Margie Hines and Little Ann Little often Boop-Boop-a-Dooped in the earlier cartoons. Mae incorporated the Boop style and made it her own. 

Also Known As

  • Boop-Boop-a-Doop
  • Boop-Boop-e-Doop
  • Boop-Oop-e-Doo
  • Boop-Boop-Be-Doop
  • Boop-Oopy-Doop
  • Poop-Poop-a-Doop
  • Poop-Poopy-Doop
  • Poop-Poopy-Doo
  • Poop-Oop-a-Doo
  • Boop-Poop-Puh-Doop (1929 article on how to pronounce the scat sounds as made by Kane)
  • Poop Poop Padoop (According to 1934 article the original scat lyrics was Poop not Boop)


  • The Boop style of singing was popular in 1928 up until the early 1930s, soon after people lost interest and women were suggested to start singing in deeper voices. The once in-vogue style was then considered to be silly but has and is often tributed from time to time.
  • According to a 1931 article, before Booping there was "Ta-Ra-Ra-Boom-De-Ay".

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