Definition of Piss

Verb: piss pis
Usage: Brit, vulgar

[vulgar] Eliminate urine
"Again, the cat had pissed on the expensive rug";
- make, urinate, piddle, puddle, micturate, pee, pee-pee, make water, relieve oneself, take a leak, spend a penny [Brit], wee [Brit], wee-wee, pass water, widdle [Brit]
Rain heavily
"Put on your rain coat-- it's pissing down outside!";
- pour, pelt, stream, rain cats and dogs, rain buckets, chuck [Brit], teem, chuck it down [Brit], tip [Brit], bucket [Brit]

Noun: piss pis
Usage: vulgar

Liquid excretory product
"there was blood in his piss";
- urine, pee, piddle, weewee, water, widdle [Brit]
Informal term for urination
"he took a piss";