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.

Name	Pronounced	Usage
Bedwyr	BED-wir (Welsh)	Welsh, Welsh Mythology, Arthurian Romance
Swift	[swift]
TomÁŠ	-	Czech, Slovak
Ed	ED (English), ET (Dutch)	English, Dutch
Enoch	['i:nɔk]
Twm	TUWM	Welsh