Why can't Barbie have babies?
Because Ken comes in another box
What did the duck say before buying some lipstick?
"Put it on my bill"
Just before King Arthur left to go on the crusades, he turned to a young squire and said: "boy, I am not sure how long I will be gone for, or if I shall even return at all. This is the key to Guinevere's chastity belt... If I do not return in 10 years, then you may use it." The boy nodded respectfully and off King Arthur galloped, into the sunset.
Before he set off on the long journey that awaited him, he looked back for one last glimpse of his beloved home, but to his surprise, he saw the young squire running as fast as he could in his direction! King Arthur waited for him, and eventually the boy caught up. Panting for breath, he said: "Thank goodness I caught you, your Majesty... this is the wrong key!"