I shit myself empty - What you say when your insides are so drained you feel like

What you say when your insides are so drained you feel like a used toilet

After the rollercoaster ride, I said, 'I shit myself empty!' and ran to the nearest bathroom.

My dog barked, 'I shit myself empty!' after eating my entire plate of spaghetti.

During the big presentation, I whispered, 'I shit myself empty!' and just stared at the ceiling.