It seams that the Bully fucks my Mom is somewhat restrictive on ideas, so her are some that don't feature the normal bully and mother.
-daughters female bully at school begins sleeping with her dad and brother, tearing up her parent marriage and her relation with her brother.
-males bully first pretends to be interested in daughter, he recorders them having sex then begins to blackmail her into helping him hook up with her mom or else he will post the video to the school e-mail.
-Male teacher blacks mains son into helping he seduce his mother or else the teacher will flunk him forcing him to repeat a year.
-boss coerces single mother into providing sexual favors for him. threatening her with being fired, he has her set him up with her son/daughter. the son/daughter is unaware of how curel the boss is.