Spanish to English pis

[DearPrudence]

pis nm	coloquial (orina)	piss n
	(colloquial)	pee n
	(infantile)	wee-wee n
	(colloquial)	No. 1
	Tengo que recoger el pis de todo el día para una prueba médica.
	ⓘ There was piss all over the floor of the public bathroom.

Register of "piss"?
I have the feeling that "pis" (which I have just read in a children's book) is not as vulgar/slang than "piss".

 

[fenixpollo]

I agree. I'll readjust the terms so that "piss" is demoted to the bottom with its vulgar sense, and the others are promoted. Thank you!