"It's like Annacker's Midden in here". It's the well-worn phrase that generations of Glasgow mums and dads have aimed at their weans to describe the state of their bedrooms.
If your room was littered with toys and stray bits of Lego or strewn with various items of clothing, you knew you were due for a proper midden shaming.
But while many Glaswegians grew up regularly hearing and using the expression, its exact origins have been almost entirely forgotten.