"What’s your name?"
"Am erica."
"No, I asked for your name, not your country."
"What’s your name?"
"Am erica."
"No, I asked for your name, not your country."
Listen up, dummy! The joke is all about how the person says their name is "Am erica," which sounds like "America." The other person in the joke thinks they are being told the country instead of the name. Get it? You probably don't since you are reading this.