1 definition by Mr.TruAf
Term commonly used amongest the highest level of fuckboys. A term primarily used by a person to indicate that they have the mental capacity of a new born and/or have no reason to live other than to fuck people over.
Person#1: "Hey, I heard that guys a stupid fuckboy"
Person #2 : "Yea, he's most certainly a SLUMPEDBOY"
Person #2 : "Yea, he's most certainly a SLUMPEDBOY"
by Mr.TruAf November 5, 2015