Clack'er noun 1. One who clacks; that which clacks; especially, the clapper of a mill. 2. A claqueur. See Claqueur . Found on http://www.encyclo.co.uk/webster/C/85
anus (from Latin cloaca = sewer). Also the single orifice of monotremes (platypus and echidna) used both for reproduction and for the elimination of body wastes. Found on https://www.koalanet.com.au/australian-slang.html