Mad Town, n. — Green’s Dictionary of Slang

Mad Town n.

[abbr.]

(US) Madison, Wisconsin.

1987		Advertising Age 2 Mar. n.p.: McPizza Hits Mad-town [HDAS].
1995		Weather Channel TV 3 Feb. [TV script] Mad Town—Madison, Wisconsin. Minus twenty-nine degrees. A record low [HDAS].
2003		Lovecity.com 🌐 ‘Personal Ads: Female’ Name: Jaxie. Age: 26. Sex: Female. Sexual Preference: Straight. Location: Madtown Wisconsin US.