grandbum
Is traditionally the mother of or legal guardian to a Baby Momma Terrorist. They acquire decades worth of knowledge on how to manipulate and fraud the welfare system to pass along to the next generation. Any poor parenting habits exhibited by the Baby Momma Terrorist is learned directly from the Grandbum. Also see Wefare Queen.
He was unable to see his child on father’s day because the grandbum is evil and has residential custody.