WM
Abbreviation for 'white male' used by doctors as shorthand when jotting down the results of their physical examination.
For example, WDWNWM = well developed, well nourished white male; WDWNBM = well developed, well nourished black male; WDWNWF = well developed, well nourished white female; WDWNBF = well developed, well nourished black female; etc.