a call of nature

call of nature

The urge to urinate or defecate. Jim is off answering the call of nature. Wait a minute, I have to go answer the call of nature.
See also: call, nature, of
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

a call of ˈnature

(humorous) a need to go to the toilet: He left the meeting to answer a call of nature.
See also: call, nature, of
Farlex Partner Idioms Dictionary © Farlex 2017
See also: