Age Stereotype: "People his age don't understand hard work!" or "Such a disappointing generation."
Racial Stereotype: "Ew you eat that in back in [insert big asian country]?" and "Disgusting, go back"
Gender Stereotype: "Boys will be boys auntie. They're all disgusting meatheads!" or "Girls really say they can do anything nowadays haha, go back to the kitchen and make me a sandwich how 'bout that?"
Social-class: "Ew there are people that poor?" or "Eat the rich! They deserve it."