Hell hath no fury like a retailer worker dealing with a nightmare of a customer.

If you've ever worked on a shop floor, a recent Facebook offering from Jen Hatton and Emma Doran is bound to resonate with you.

And resonate hard, ladies.

From customers who assume you're a mathematician to members of the public who think you have all the time in the world, the following two videos are some of the most accurate representations of the life of a retail worker we have ever seen.

Oh, and don't get us started on customers who show up five minutes before closing for a leisurely browse…

We'll let Jen and Emma take it from here.