pissy  
adjective uk/ˈpɪs.i/ us/ˈpɪs.i/
  (ANGRY)      
  US informal恼怒的 
annoyed, especially when you show this in your behaviour
  I get pissy real easy in the morning.  我早上很容易生气。 
 Bob is in a pissy mood. 鲍勃的心情很不爽 
 - More examples
 - Giles got really pissy with Xander.
 - Usually people behave quite well, but, sometimes, people get a little bit pissy.
 - Maybe his pissy attitude towards you is because you rejected him.
 
  (URINE)      
 very informal尿的;尿味的 
smelling of or covered in urine (= yellow waste liquid from the body)
  She gagged at the sour, pissy smell of his bedsheets.  她被他床单上的酸臭味、尿骚味熏得捂住了嘴。 
 - More examples
 - He kept wondering whether his pissy underwear offended others.
 - I don't want to have to spend my life cleaning other people's pissy toilets.