A brick gets laid!
Inserting a rod into the reactor turns it off.
One says "Hey, you, get off of my cloud!" The other says "Hey McCloud, get off of my ewe!"
She delivers.
THE PUNCHLINE OF THIS JOKE HAS BEEN CENSORED BY THE GOVERNMENT OF THE PEOPLES REPUBLIC OF CHINA, PLEASE REMAIN CALM WHILE WE WILL DEAL WITH THE OP IN A CIVIL MANNER.
A Brick.
Guess who's gettin' laid tomorrow!