a person that is cocking off to the wrong person that will beat the fuck out of them and know everything about them
by brittany+tyler May 13, 2006
Get the dumb motherfuckermug. by Dumb motherfucking slut March 18, 2018
Get the dumb motherfucking slutmug. A girl who sleeps with multiple men while in a relationship, while her boyfriend/husband is in the same building.
by Dumb motherfucking slut March 18, 2018
Get the dumb motherfucking slutmug.