Information for Nasty: 'Big' girls being gross, mean and sexy at mac birmingham - Midlands Arts Centre, Birmingham (Play). Do you remember that time you pooed yourself in public? How about all those times you swore at your mum for asking you to tidy your pigsty of a room? Maybe you're still blushing over the time someone pointed out your cellulite when you were getting changed for P.E. in year 11.