Naughty joke (piada marrota)

(Não resisto: o humor anglo-saxónica é mesmo insuperável.
Copiei esta "naughty joke of the week" do blogue do GMI Kevin Spraggett.)

A Scotsman walks into the bedroom with a sheep on a leash and says: "Honey, this is the cow I make love to when you have a headache."

The wife, lying in the bed reading a book, looks up and says, sarcastically: "If you weren't such an idiot, you'd know that's a sheep, not a cow."

The guy replies: "If you weren't such a presumptuous bitch, you'd realize I was talking to the sheep."