People keep telling me they hope Kenny never has kids.
I don't think that's a worry. His mom is much too old to get pregnant.
Kenny's Family Planning
Explanation
Explain Bear
Alright, listen up, buttercup. People are worried about Kenny having kids. But the joke is that Kenny's mom is too old to have any more kids. So basically they are implying that Kenny is banging his mom. Sicko.
Maha
He should have tried when his mom was still in period. And he should have tried period sex with his mom too!