Piss is verb describing urinating. The yellow liquid that you release from the tip of your penis is called urine. Piss a way to describe realeasing that urine. It also describes the great feeling of emptiying your bladder
i.e Johnny pissed on his mom's car when he was drunk.
A vey descriptive way to describe a piss chamber. AKA bathroom. In this room many things go on! You may use it to go for a piss but others, more creative people use it to eat out or have sex. This is a fun and iteresting way to use a piss hole. Another reason why a piss whole has become used for sex is because of the readily availeble condoms!