frivolous vs on the inside

frivolous

adj
  • Having no reasonable prospect of success because its claim is without merit, lacking a supporting legal or factual basis, while the filing party is, or should be, aware of this. 

  • Of little weight or importance; not worth notice; slight; trivial. 

  • Silly, especially at an inappropriate time or in an inappropriate manner. 

on the inside

prep
  • inside, within, inwardly, internally, interiorly, innerly 

How often have the words frivolous and on the inside occurred in a corpus of books? (source: Google Ngram Viewer )