defecate

An excretion occurs when waste leaves your body through your anus.

You might hear people say "defecate" when they're talking about how our bodies work. It's an interesting thing to think about – and necessary, of course! We eat food every day, but our bodies can't keep it all inside for long. So, after a while, we need to go to the bathroom and let waste leave our body through defecation. This might happen at home in a private space or even on the go if you're traveling somewhere with limited access to restrooms.