In the episode of SpongeBob SquarePants, "Survival of the Idiots", Spongebob called Patrick which nickname?

In the episode "Survival of the Idiots" of SpongeBob SquarePants, SpongeBob calls Patrick the nickname "Pinhead" because it is a play on words and a recurring joke throughout the show. The nickname highlights Patrick's sometimes dimwitted and simple-minded nature, adding comedic value to their interactions. It has become a running gag in the series and contributes to the humorous dynamic between SpongeBob and Patrick.