When a woman queefs on a man with crabs pubic hair. Upon which he will be cured of his prior case of crabs.
Person 1: "Bro, did you hear about John?"
Person 2: "Yea I know, he has crabs, it sucks."
Person 3: "No, this slut from the bar he took home gave him the pesticide and now he's clean again bro!"
Person 4: "Awesome."