The pair's Celebrity Big Brother housemates were left horrified as the paparazzi photographer revealed that Sabel had played a joke on him as the Wizard of Oz-themed shopping task continues.
Lyons told his fellow celebrities: "He put his excretion in a drink which he gave me yesterday. He put it down my neck. But he later pulled me to one side and apologised.
"I'm not bothered, I've drank worse things than that, it's just the thought of it. I thought he said he'd pissed in it.
"He came and apologised for doing it, he said he crossed the line, but he must have really hated me. It would never even come into my mind to do that to someone."
Fellow housemate Pamela Bach-Hasselhoff was outraged at Sabel's practical joke, saying: "Oh god, surely he was just trying to joke. That's disgusting. That's not a manly man."
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Watch a video of Darryn Lyons and Bobby Sabel making up after the incident below: