Pissing
/ˈpɪsɪŋ/
verb
To urinate.
“When I got home I found a drunk pissing in my doorway.”
To discharge as or with the urine.
“Lately I've been pissing blood.”
noun
An act of urination.
adjective
Used to express dislike of or annoyance towards the thing mentioned.
“I can't get this pissing computer to work.”