A kid is walking down the street with a jar of money and dragging along a dead frog on a string...

And he walks into a whorehouse. He sets the jar of money on the counter and proclaims to a woman in the lobby "I want to have sex with the dirtiest, nastiest woman you have here." She glares at him and replies "get outta here. you're too young to be here." The kid retorts, pointing at the jar and says "look, lady- I'm paid. Let me do what I want."

She agrees, and points him towards a door down the hall. "Meet Evelynn, she's a veteran." He does the deed and walks out of the room, still zipping up. The lady in the lobby asks him if he realizes the consequences of his actions. He replies, "Yes. I came here hoping for an STD, and I've gotten what I wanted." Confused, she asks him why.

He replies,

"My mom and dad are on vacation. When I get home, the babysitter is going to have sex with me. That's what she's into. She's going to get an STD. When mom and dad get home, mom will go to the grocery store and dad will have sex with the babysitter. He will have an STD. Once mom gets home, she will have sex with dad and SHE will get an STD. When dad leaves for work in the morning, mom is going to have sex with the Mailman... and HE's the motherfucker who ran over my frog."