She taught them a valuable lesson.
#3 Meanest mom ever!
The three kids did not care to show any manners and instead their mom was tagged as the meanest mom ever. This is harsh!
Every mom wants her kids to love her and respect her. Rather she loves it when others praise their children and bless them with best wishes. However, this mom happened to tag herself the meanest mom ever. Nevertheless, when you go through the entire incident even you would support her.