What is another word for pisser?
Pronunciation: [pˈɪsə] (IPA) 
The word "pisser" is often considered a vulgar slang term for urination. However, there are numerous synonyms for this word that can be used in a more appropriate context. Some of these synonyms include "pee," "urinate," "empty one's bladder," "relieve oneself," "go to the bathroom," "take a leak," "tinkle," "wee," and "use the facilities." By using these alternatives, we can communicate the same message without using crude language. In addition, using synonyms can help us sound more professional and respectful in various settings such as offices, schools, and public spaces.
