Acronym, meaning "god motherfucking dammit". Used to express anger but not offend anyone who may be easily offended.
Guy 1: I hate it when people compliment me.
Guy 2 walks over and says "Love your hair!"
Guy 1: GMFD, Guy 2
Guy 2 walks over and says "Love your hair!"
Guy 1: GMFD, Guy 2
by thaeta July 7, 2010
 Get the GMFDmug.
Get the GMFDmug. by thechassisofconfusions November 30, 2022
 Get the gmfdmug.
Get the gmfdmug.