I saw a comic, can't find it now, but here's how it went:
Boy: Hey mom, what's this?
Mom: Oh, that's your Dad's Sports Illustrated
Boy: Oh neat, let me check it out!
Mom: Wait, that's the swim suit issue, it's not for kids!
Boy: Hey, these look a lot like the ladies in the pop-up ads, except they're not getting double penetrated."
Mom: