A little Mexican boy goes into the kitchen where his Mom is baking. He puts his hand in the flour and then Smears it all over his face.
"Mamacita, look, I'm a white boy."
His mom slaps his face and says, "Go show your father."
He goes to this dad in the living room and says, "Look, Papacita, I'm a white boy."
His dad slaps him hard in the face and says, "Go show your grandmother."
The boy goes in his grandmother's room and says, "Mira, Abuelita, I'm a white boy."
His grandmother slaps him in the face and sends him Back to his mother.
His mother says, "What did you learn from that?"
The boy replies, "I have only been white for five minutes and already I don't like you damn Mexicans!"