snob value vs street cred

snob value

noun
  • The value of an item specifically to individuals of higher income levels, according to the snob effect. 

street cred

noun
  • Credibility among young, hip urban dwellers; particularly important in the hip-hop and rap scenes. 

How often have the words snob value and street cred occurred in a corpus of books? (source: Google Ngram Viewer )