Cricket sings the song "One Kiss," written by Sig Romberg and Oscar Hammerstein II for the 1928 operetta The New Moon.
The title refers to the Hawaiian state fish, which is on the small yet aggressive side and one that fishermen usually throw back. The reference is to Convy's character, a womanizer who does not throw back the small fish (i.e., women).
"Humuhumunukunukuapuaa" is the Hawaiian name for the Reef Triggerfish (a common fish in Hawaii), which became Hawaii's state fish in 1985. So, the English title is "The Reef Triggerfish Kid".