"They come through to the production office or writers office some time, and go 'look what I made' and we go 'Wow, it's a poo!'"
The fake poos were made from honey, chopped nuts and digestive biscuits - and certainly would have been edible, Barrington said.
While the scene has become one of the recent iconic moments from Shortland Street, Barrington said that it was a very physical scene with a lot of logistics, so it was actually an incredibly serious scene to film.
"At the time, it was really just a comedy scene like any other. Beforehand, it was really quite serious because if we had to do it more than once, it would have been a nightmare to reset," due to the number of props and water involved.
"And then it was literally just 'that's a buy, repo to triage'. I remember I ran off, got a towel, cleaned off, and probably got into a suit and tie and did another [scene]. It was just another day at the office."
Hill's on-screen son and former husband, Harry and Chris Warner, were also part of one of the other famous moments with the iconic "Please tell me that's not your penis!" line.
She said that while the scene became an instant classic, there was some annoyance when the international news coverage made it seem like the line was a mistake or not intended to be funny.
"Screw you, it was intentionally comic!"
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