Neorican is a word used for a Puerto Rican living in New York or a native New Yorker of Puerto Rican descent. In Puerto Rico people will often call someone this if they've spent time living in New York.
A popular--and relatively new--nickname for the city of Houston, which refers to “chopped and screwed,” an authentically Houston style of music.
Austin is known as "Spamtown" because it's the headquarters of Hormel Foods, the makers of Spam, the famous canned processed pork product.
A Purdue University student or alumni, or an alcoholic drink invented by Pittsburgh steelworkers consisting of some combination of beer and whiskey.