To his dismay, Howard continues to see the Stooges everywhere. He ends up going to "Stooge Row", a seedy part of Los Angeles located between the fictional "Shet Up Street" and "Nyuk Nyuk Boulevard".
The passage describes Howard's frustration at encountering the Stooges repeatedly. He ends up in a particular area of Los Angeles known as "Stooge Row," which is described as being rough and located between two fictional streets: "Shet Up Street" and "Nyuk Nyuk Boulevard."