Illville
Nickname for Chicago, based on the fact that it is the largest metropolitan area in Illinois.
Illville is just another name for The Chi.
Illville, NJ
Illville, N.J., AKA Millville, NJ is a city in southjersey and has a large accumulation of morons living there. Anyone smart enough gets the fuck out ASAP.
Don't stop when driving thru Illville, NJ, you'll figure it out after hearing that fucking banjo music.