The Cloonchas is the area of Cloonbonnive and Gortaganny in West Roscommon where most townlands begin with 'Cloon', eg. Cloonfower, Clooncan. From the Irish for meadows, 'Cluainte'.
Hard balls of fluff (and other matter) that gather on a hairy arse that are very difficult to remove. Usually used to describe an annoying person that hangs around and won't go away.