How do you embarrass an archaeologist? Give him a used tampon and ask him which period it came from.
A woman walks out of the bathroom, winks at her husband, and says, "I shaved down there; you know what that means." The husband responds, "Yeah, the drain is clogged."
What does the receptionist at a sperm bank say as clients leave? "Thanks for coming!"
What do you call a lesbian dinosaur? A Lickalotopus.
What's long and hard and full of semen? A submarine