The Carbacabana is Big D 's night club.This is a nightclub where people can drink, eat and listen to music. There work Carmen and her pitties, who love sing many latin american songs.
The nigh club appears in Mater Private Eye. Mater enters in Carbacabana and asks Carmen something about Mia. The Clyde, Big D's henchmen and Claude, his helper, arrive and catch Mater.
Trivia
The name is almost certainly a pun on Copacabana, the name of many real and fictional clubs including the one in a famous Barry Manilow song.