Primark is a highstreet favourite thanks to its fashionable clothing and bargain prices.
Over the years many former employees have lifted the lid on what it's like to work there, and they've even shared insider information on how to get the best deals.
But there's one piece of behind-the-scenes knowledge that George Allen decided to share, that we actually wish we didn't know.
Speaking to the Derby Telegraph, he explained what the store's code word 'code two' actually means - and it's really, really gross.
If you hear in-store announcements saying “cleaner to menswear, code two”, that means staff have found a bodily fluid.
George explained “urine and faeces on the shop floor is pretty common” – but always cleared up fast.
He also revealed that there is very little point asking staff if they have an item in a different size.
He said: "Sometimes, especially if you were working on the shop floor, customers would ask you if you had an item of clothing in a different size – and we would dutifully go and check the stockroom.
"The thing is, none of us really knew where anything was. It’s a massive room filled with cardboard boxes and it’s basically a lucky dip.
"In the six months I worked there, I found one item successfully, which was actually quite a proud day."
But George did offer up tips for how to get some money off items when you arrive at the till.
He said: "If you want a customer discount at Primark, it’s very easy. If you want an employee discount, you have to wait until Christmas and even then you only get 10%.
"For customers, an item with any kind of slight fault or mark gets 10% knocked off without debate if they ask for it, as I saw many times on the tills.
"But don’t take it too far or else you will end up in the Book of Faces. Behind the customer services desk on the third floor is a thick folder full of CCTV close-ups of the faces of customers who have nicked, conned or otherwise behaved badly in the store.
"I still see some of those culprits walking around the city and I wonder if they know of their notoriety."
Another former employee who has spoken out is Ella Mai, who revealed the best way to make sure you get the bargains you're after.
She told Cosmopolitan if you're looking for an in-demand item you're best to head to Primark first thing in the morning or an hour before closing.
“These will be the times when our recovery on the floor is at its best."
