The story
From answer the call + call of nature in reference to a need to urinate or defecate.
Etymology from Wiktionary, CC BY-SA 4.0.
answer the call of nature
Today it means: To satisfy a bodily urge to urinate or defecate. Full definition →
Today it means: To satisfy a bodily urge to urinate or defecate. Full definition →
From answer the call + call of nature in reference to a need to urinate or defecate.
Etymology from Wiktionary, CC BY-SA 4.0.