SOM
n.— «African-American gang members, police say, have been robbing and beating Latino residents in the streets, usually as they make their way home from work late at night. “They refer to it as “sock on Mexicans,’” Perez said. “They’ll say, ‘Hey, let’s go do an S.O.M.'”» —“‘A shooting, to us, is a failure’” by Kenneth Todd Ruiz Pasadena Star-News (California) June 10, 2006. (source: Double-Tongued Dictionary)