"The secretary and the genie" joke
The lonely and homely secretary is walking home from work one day when she spots a strange looking bottle by the side of the road. She picks it up and dusts it off, releasing a genie.
"I grant you one wish for releasing me!" Booms the genie.
The girl thinks about it and says, "I haven't had sex in two years. When I get home, I'd like to see my cat turned into a handsome, hunky man dedicated to me."
"So shall it be," says the genie, and with a flash of light he disappears.
So the secretary hurries home and finds a tall, handsome stud there. He rips off her clothes and carries her into the bedroom, laying her on the bed. He kisses her and rubs her neck until she's ready to explode.
"Take me NOW!" she gasps.
"I would, but you had me neutered last month."
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