mashing
n.— «Combining Moscow and “mashing,” a term used to describe riding fixed speed bikes, Graham Sours and his friends have put together MASHscow, the second alley cat race in two years for Moscow.» —“Takin’ It To The Streets” by Rob Todeschi in University of Idaho The Argonaut Apr. 11, 2008. (source: Double-Tongued Dictionary)