This was from
South Park: Bigger, Longer, and Uncut. Crude, but funny:
Mr. Garrison: "Well, your moms are just upset. They’re probably all on their periods or something."
Gregory:"Mr. Garrison, Wendy and I think that was a sexist statement."
Mr. Garrison: "Well, I’m sorry, Wendy. But I just don’t trust anything that bleeds for five days and doesn’t die."
