Wonderful! I never thought of this crossover but it works! I works so well!
Hot Blond Guy stared for a moment, waiting, and they could see Hot Naked Guy look up from his activities and smile, a rakish, inviting smile, and suddenly Hot Blond Guy was throwing off his messenger bag along with the rest of his clothes. Then he climbed right into the fray, did something obscene to Hot Naked Guy's mouth. And--
"I feel naive," said Rachel.
"I feel dirty," said Phoebe, in obvious delight.
"This is better than porn," said Monica.
"This is so not the threesome I was praying for, God," said Chandler, looking briefly up at the sky in reproach.
"At least Hot Naked Guy isn't cheating," said Joey.
"Is it warm in here, or is it just me?" asked Ross, his voice a little unnaturally high.