fratmosphere
n.— «Though Brown, at 35, is the oldest member in a band with an average age of 30, all of the guys in the verve pipe plan to remain settled in the East Lansing area, where the “fratmosphere” of Michigan State University gave the band its initial boost.» —“Michigan’s The Verve Pipe Prepped For Success” by Shannon Wells Charleston Gazette (W. Va.) Apr. 10, 1997. (source: Double-Tongued Dictionary)