DIAPHRAGM, n. A muscular partition separating disorders of the chest from disorders of the bowels. - Ambrose Bierce
I beseech you, in the bowels of Christ, think it possible you may be mistaken. - Oliver Cromwell.
It's spider season. Every year, right about now, thousands of the godless eight-legged bastards emerge from the bowels of hell (or the garden, whichever's nearest) with the sole intention of tormenting humankind. - Charlie Brooker
Child, if such folks awe you, then picture them on the lavatory, straining, constipated. They will at once seem small, pathetic, manageable." And she whispered to me a great, universal truth: "THE BOWELS ARE GREAT LEVELLERS. - Angela Carter