It's an acronym meaning "bad madame (miss) dumb", which is to be used when a woman does something really stupid.
by michinn December 6, 2011
Get the bmdmug. by SOULJAH GIRL dunnoe March 15, 2010
Get the bmdmug. by Pablo lapud February 5, 2022
Get the Bmdmug. by Canadian Podcaster February 21, 2023
Get the BMDmug. 

