Kid 1: "Hey, I bet you're still a virgin."
Kid 2: "Yeah, I was a virgin until last night."
Kid 1: "As if."
Kid 2: "Yeah, just ask your sister."
Kid 1: "I don't have a sister."
Kid 2: "You will in about nine months."
A Sister in Nine Months
Categories
Explanation
Experiment
This is a dark humor joke where one kid implies he slept with the other kid's mom, resulting in her being pregnant with a new sister for the first kid. It's shocking and unexpected.