nature’s call

nature's call

euphemism The urge or need to urinate or defecate. Jim is off answering nature's call—he should be back any minute. Is anyone else feeling nature's call before we get back in the car?
See also: call
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

nature’s call

and call of nature
n. the feeling of a need to go to the toilet. I think I feel nature’s call coming on.
See also: call
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also: