An ex-Marine reports that his commanding officer used to castigate his men for any stray threads hanging from their uniforms, calling those loose threads Irish pennants. That term is an ethnophaulism, or ethnic slur. Other examples of ethnopaulisms...
waterbowling n.— «They said Glass and another drill instructor would line recruits up after meals and force them to down liters of water from their canteens in a ritual they referred to as “waterbowling.”» —“Marines Testify About Boot Camp...

