chart abbreviation or not? Sun, May 25th, 2008 at 3:06 a.m. PDT tagged: disordered thought processes, acronym, linguistics, and medicine MSM acronym, noun 1. man who has sex with other men 2. mainstream media « reverse trust revisited 2008 May 21 forward » institutionalized racism in the 21st century 2008 May 25 overview all posts from 2008 all posts from May 2008 all posts from May 25, 2008