Being beyond fucked up, on any substance, usually for an extended length of time. Those who "get scummy" literally turn into a potato.
by Furious furniture January 9, 2017
Get the Scummy hitmug. Your only having sex with this girl because ur drunk, a girl who is only an average looking girl who you wouldnt do while sober but when drunk you would bang her.
by xX541Xx January 1, 2012
Get the Scummy Missionmug.