by Tegan September 19, 2007

Source Film Maker. Where machinimas of games such as team fortress, gmod, and half life are made. If its a youtube video with (SFM) next to it then its probably gonna be a machinima of one of these games.
by awolunicorn April 02, 2015

I hate school sfm..
by GoldenWiener May 26, 2018

Middle school and high school basketball coaches who marry their students are usually considered SFMs.
by CB + PT January 07, 2009

by TranMan April 24, 2014
