Sentence:  “Yeah, let's do a <WSD>hometowner</WSD>, Gary, it'll be one for both of us.” “<WSD>Hometowner</WSD>? What the hell is that?” “For the radio stations in Springfield, it'll give you a chance to say hi to your mom and dad, and that fine little sister of yours.” 
Meaning of the word marked with <WSD> tags:  That which pertains to a hometown or one's hometown.