I don't remember ever being made to tidy my room as a kid so I can't contribute any local expressions. Housework always involved the other rooms in the house. When the place needed blitzing, my mum had a very effective method, she would get out four (one for each of us) binbags and say, 'if there is anything of yours not in your room in half an hour, it's going in the bin'. We had a game for communal mess, a parent would yell, 'cup hunt', and we would tear round the house finding all the cups and saucers left under beds and the like-- the one with the most items of crockery won. Probably well dangerous, but fun.