A baby that is conceived via anal sex gone wrong. When the semen is ejaculated into the asshole it inadvertently drips down and enters the vagina, resulting in the conception of a baby.
Marisa's child was an ass-pussy baby
by KGR February 09, 2008
My SO is such a bum. He sits all day, watches tv and never helps me out in the house. He is a 'hum'.
by KGR January 14, 2014