There is no association found for «bowel movement».

Wiktionary

BOWEL MOVEMENT, noun. The discharge of feces from the body.
BOWEL MOVEMENT, noun. The feces thus produced.

Wise words

The most important things are the hardest things to say. They are the things you get ashamed of because words diminish your feelings - words shrink things that seem timeless when they are in your head to no more than living size when they are brought out.
Stephen King