Mom sat you down on your knees and jerked your bully's huge cock right in front of your face. She humiliated you, making you whip out your own small penis and beg for his cum. As soon as he started shooting ropes, you knew you'd never hear the end of this
Mom: Flashing my slutty bits from time to time is just part of your bully's obedience training. Listen son, I have to be a proper bimbo slut for him. Making his dick feel good is more important than your feelings.