pissy vs self-assertive

pissy

adj
  • Resembling or smelling like urine. 

  • Covered in urine. 

  • Weak and drizzly. 

  • Angry, in a bad mood; pissed off. 

  • Anal retentive, whinging and pernickety. 

self-assertive

adj
  • determined to advance one's own personality or views 

How often have the words pissy and self-assertive occurred in a corpus of books? (source: Google Ngram Viewer )