Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Piss
Medically reviewed by Min Clinic Staff | Updated: January 2026
Piss: A vulgar but ancient word used both as a noun and verb:
1. (noun) Urine.
2. (verb) To urinate.
Piss is descended from the Middle English pisse, from the Old French pissier, from the Latin pisiare.